All the vulnerabilites related to cisco - asr_9906
cve-2019-16027
Vulnerability from cvelistv5
Published
2020-01-26 04:31
Modified
2024-11-15 17:46
Severity ?
EPSS score ?
Summary
A vulnerability in the implementation of the Intermediate System–to–Intermediate System (IS–IS) routing protocol functionality in Cisco IOS XR Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition in the IS–IS process. The vulnerability is due to improper handling of a Simple Network Management Protocol (SNMP) request for specific Object Identifiers (OIDs) by the IS–IS process. An attacker could exploit this vulnerability by sending a crafted SNMP request to the affected device. A successful exploit could allow the attacker to cause a DoS condition in the IS–IS process.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200122-ios-xr-dos | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: unspecified < n/a |
|
|
|||
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cve-2018-0418
Vulnerability from cvelistv5
Published
2018-08-15 20:00
Modified
2024-11-26 14:47
Severity ?
EPSS score ?
Summary
A vulnerability in the Local Packet Transport Services (LPTS) feature set of Cisco ASR 9000 Series Aggregation Services Router Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a lack of input and validation checking on certain Precision Time Protocol (PTP) ingress traffic to an affected device. An attacker could exploit this vulnerability by injecting malformed traffic into an affected device. A successful exploit could allow the attacker to cause services on the device to become unresponsive, resulting in a DoS condition. Cisco Bug IDs: CSCvj22858.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1041538 | vdb-entry, x_refsource_SECTRACK | |
| http://www.securityfocus.com/bid/105185 | vdb-entry, x_refsource_BID | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180815-asr-ptp-dos | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco Systems, Inc. | ASR 9000 Series Aggregation Services Router Software |
Version: unspecified |
|
|
|||
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cve-2019-16020
Vulnerability from cvelistv5
Published
2020-01-26 04:30
Modified
2024-11-15 17:46
Severity ?
EPSS score ?
Summary
Multiple vulnerabilities in the implementation of Border Gateway Protocol (BGP) Ethernet VPN (EVPN) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerabilities are due to incorrect processing of BGP update messages that contain crafted EVPN attributes. An attacker could exploit these vulnerabilities by sending BGP EVPN update messages with malformed attributes to be processed by an affected system. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP traffic only from explicitly defined peers. To exploit these vulnerabilities, the malicious BGP update message would need to come from a configured, valid BGP peer, or would need to be injected by the attacker into the victim's BGP network on an existing, valid TCP connection to a BGP peer.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200122-ios-xr-evpn | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: unspecified < n/a |
|
|
|||
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cve-2021-34728
Vulnerability from cvelistv5
Published
2021-09-09 05:01
Modified
2024-11-07 22:00
Severity ?
EPSS score ?
Summary
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker with a low-privileged account to elevate privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privescal-dZYMrKf | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: n/a |
|
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cve-2018-0136
Vulnerability from cvelistv5
Published
2018-01-31 20:00
Modified
2024-12-02 21:24
Severity ?
EPSS score ?
Summary
A vulnerability in the IPv6 subsystem of Cisco IOS XR Software Release 5.3.4 for the Cisco Aggregation Services Router (ASR) 9000 Series could allow an unauthenticated, remote attacker to trigger a reload of one or more Trident-based line cards, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect handling of IPv6 packets with a fragment header extension. An attacker could exploit this vulnerability by sending IPv6 packets designed to trigger the issue either to or through the Trident-based line card. A successful exploit could allow the attacker to trigger a reload of Trident-based line cards, resulting in a DoS during the period of time the line card takes to restart. This vulnerability affects Cisco Aggregation Services Router (ASR) 9000 Series when the following conditions are met: The router is running Cisco IOS XR Software Release 5.3.4, and the router has installed Trident-based line cards that have IPv6 configured. A software maintenance upgrade (SMU) has been made available that addresses this vulnerability. The fix has also been incorporated into service pack 7 for Cisco IOS XR Software Release 5.3.4. Cisco Bug IDs: CSCvg46800.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/102905 | vdb-entry, x_refsource_BID | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180131-ipv6 | x_refsource_CONFIRM | |
| http://www.securitytracker.com/id/1040315 | vdb-entry, x_refsource_SECTRACK |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | n/a | Cisco Aggregation Services Router 9000 Series |
Version: Cisco Aggregation Services Router 9000 Series |
|
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cve-2020-3120
Vulnerability from cvelistv5
Published
2020-02-05 17:50
Modified
2024-11-15 17:42
Severity ?
EPSS score ?
Summary
A vulnerability in the Cisco Discovery Protocol implementation for Cisco FXOS Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to a missing check when the affected software processes Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol packet to an affected device. A successful exploit could allow the attacker to exhaust system memory, causing the device to reload. Cisco Discovery Protocol is a Layer 2 protocol. To exploit this vulnerability, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200205-fxnxos-iosxr-cdp-dos | vendor-advisory, x_refsource_CISCO | |
| http://packetstormsecurity.com/files/156203/Cisco-Discovery-Protocol-CDP-Remote-Device-Takeover.html | x_refsource_MISC |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: unspecified < 2.3.1.173 |
|
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cve-2020-3530
Vulnerability from cvelistv5
Published
2020-09-04 02:25
Modified
2024-11-13 18:08
Severity ?
EPSS score ?
Summary
A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to execute that command, even though administrative privileges should be required. The attacker must have valid credentials on the affected device. The vulnerability is due to incorrect mapping in the source code of task group assignments for a specific command. An attacker could exploit this vulnerability by issuing the command, which they should not be authorized to issue, on an affected device. A successful exploit could allow the attacker to invalidate the integrity of the disk and cause the device to restart. This vulnerability could allow a user with read permissions to issue a specific command that should require Administrator privileges.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-cli-privescl-sDVEmhqv | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: n/a |
|
|
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cve-2019-15989
Vulnerability from cvelistv5
Published
2020-01-26 04:30
Modified
2024-11-15 17:46
Severity ?
EPSS score ?
Summary
A vulnerability in the implementation of the Border Gateway Protocol (BGP) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to incorrect processing of a BGP update message that contains a specific BGP attribute. An attacker could exploit this vulnerability by sending BGP update messages that include a specific, malformed attribute to be processed by an affected system. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP traffic only from explicitly defined peers. To exploit this vulnerability, the malicious BGP update message would need to come from a configured, valid BGP peer or would need to be injected by the attacker into the victim’s BGP network on an existing, valid TCP connection to a BGP peer.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200122-ios-xr-bgp-dos | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: unspecified < n/a |
|
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cve-2019-1686
Vulnerability from cvelistv5
Published
2019-04-17 21:50
Modified
2024-11-19 19:11
Severity ?
EPSS score ?
Summary
A vulnerability in the TCP flags inspection feature for access control lists (ACLs) on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to bypass protection offered by a configured ACL on an affected device. The vulnerability is due to incorrect processing of the ACL applied to an interface of an affected device when Cisco Express Forwarding load balancing using the 3-tuple hash algorithm is enabled. An attacker could exploit this vulnerability by sending traffic through an affected device that should otherwise be denied by the configured ACL. An exploit could allow the attacker to bypass protection offered by a configured ACL on the affected device. There are workarounds that address this vulnerability. Affected Cisco IOS XR versions are: Cisco IOS XR Software Release 5.1.1 and later till first fixed. First Fixed Releases: 6.5.2 and later, 6.6.1 and later.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-iosxracl | vendor-advisory, x_refsource_CISCO | |
| http://www.securityfocus.com/bid/108026 | vdb-entry, x_refsource_BID |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: unspecified < 6.5.2 Version: unspecified < 6.6.1 |
|
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cve-2022-20677
Vulnerability from cvelistv5
Published
2022-04-15 14:16
Modified
2024-11-06 16:25
Severity ?
EPSS score ?
Summary
Multiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iox-yuXQ6hFj | vendor-advisory, x_refsource_CISCO |
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cve-2023-20064
Vulnerability from cvelistv5
Published
2023-03-09 00:00
Modified
2024-10-25 16:03
Severity ?
EPSS score ?
Summary
A vulnerability in the GRand Unified Bootloader (GRUB) for Cisco IOS XR Software could allow an unauthenticated attacker with physical access to the device to view sensitive files on the console using the GRUB bootloader command line. This vulnerability is due to the inclusion of unnecessary commands within the GRUB environment that allow sensitive files to be viewed. An attacker could exploit this vulnerability by being connected to the console port of the Cisco IOS XR device when the device is power-cycled. A successful exploit could allow the attacker to view sensitive files that could be used to conduct additional attacks against the device.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: n/a |
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cve-2021-34722
Vulnerability from cvelistv5
Published
2021-09-09 05:01
Modified
2024-11-07 22:00
Severity ?
EPSS score ?
Summary
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to gain access to the underlying root shell of an affected device and execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details section of this advisory.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-cmd-inj-wbZKvPxc | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
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cve-2023-20065
Vulnerability from cvelistv5
Published
2023-03-23 00:00
Modified
2024-08-02 08:57
Severity ?
EPSS score ?
Summary
A vulnerability in the Cisco IOx application hosting subsystem of Cisco IOS XE Software could allow an authenticated, local attacker to elevate privileges to root on an affected device.
This vulnerability is due to insufficient restrictions on the hosted application. An attacker could exploit this vulnerability by logging in to and then escaping the Cisco IOx application container. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XE Software |
Version: 16.4.1 Version: 16.4.2 Version: 16.4.3 Version: 17.3.1 Version: 17.3.2 Version: 17.3.3 Version: 17.3.1a Version: 17.3.1w Version: 17.3.2a Version: 17.3.1x Version: 17.3.1z Version: 17.3.4 Version: 17.3.5 Version: 17.3.4a Version: 17.3.6 Version: 17.3.4b Version: 17.3.4c Version: 17.3.5a Version: 17.3.5b Version: 17.4.1 Version: 17.4.2 Version: 17.4.1a Version: 17.4.1b Version: 17.4.2a Version: 17.5.1 Version: 17.5.1a Version: 17.5.1b Version: 17.5.1c Version: 17.6.1 Version: 17.6.2 Version: 17.6.1w Version: 17.6.1a Version: 17.6.1x Version: 17.6.3 Version: 17.6.1y Version: 17.6.1z Version: 17.6.3a Version: 17.6.4 Version: 17.6.1z1 Version: 17.7.1 Version: 17.7.1a Version: 17.7.1b Version: 17.7.2 Version: 17.8.1 Version: 17.8.1a Version: 17.9.1 Version: 17.9.1w Version: 17.9.2 Version: 17.9.1a Version: 17.9.2a |
|
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cve-2018-0167
Vulnerability from cvelistv5
Published
2018-03-28 22:00
Modified
2024-11-13 18:24
Severity ?
EPSS score ?
Summary
Multiple Buffer Overflow vulnerabilities in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. Cisco Bug IDs: CSCuo17183, CSCvd73487.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp | x_refsource_CONFIRM | |
| https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03 | x_refsource_MISC | |
| https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04 | x_refsource_MISC | |
| http://www.securitytracker.com/id/1040586 | vdb-entry, x_refsource_SECTRACK | |
| https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05 | x_refsource_MISC | |
| http://www.securityfocus.com/bid/103564 | vdb-entry, x_refsource_BID |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | n/a | Cisco IOS, IOS XE, and IOS XR |
Version: Cisco IOS, IOS XE, and IOS XR |
|
|
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cve-2017-12240
Vulnerability from cvelistv5
Published
2017-09-28 07:00
Modified
2024-11-15 17:56
Severity ?
EPSS score ?
Summary
The DHCP relay subsystem of Cisco IOS 12.2 through 15.6 and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system. The attacker could also cause an affected system to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a buffer overflow condition in the DHCP relay subsystem of the affected software. An attacker could exploit this vulnerability by sending a crafted DHCP Version 4 (DHCPv4) packet to an affected system. A successful exploit could allow the attacker to execute arbitrary code and gain full control of the affected system or cause the affected system to reload, resulting in a DoS condition. Cisco Bug IDs: CSCsm45390, CSCuw77959.
References
| ▼ | URL | Tags |
|---|---|---|
| https://quickview.cloudapps.cisco.com/quickview/bug/CSCuw77959 | x_refsource_CONFIRM | |
| https://quickview.cloudapps.cisco.com/quickview/bug/CSCsm45390 | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/101034 | vdb-entry, x_refsource_BID | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-dhcp | x_refsource_CONFIRM | |
| http://www.securitytracker.com/id/1039445 | vdb-entry, x_refsource_SECTRACK |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | n/a | Cisco IOS and IOS XE |
Version: Cisco IOS and IOS XE |
|
|
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cve-2019-1842
Vulnerability from cvelistv5
Published
2019-06-05 16:20
Modified
2024-11-21 19:23
Severity ?
EPSS score ?
Summary
A vulnerability in the Secure Shell (SSH) authentication function of Cisco IOS XR Software could allow an authenticated, remote attacker to successfully log in to an affected device using two distinct usernames. The vulnerability is due to a logic error that may occur when certain sequences of actions are processed during an SSH login event on the affected device. An attacker could exploit this vulnerability by initiating an SSH session to the device with a specific sequence that presents the two usernames. A successful exploit could result in logging data misrepresentation, user enumeration, or, in certain circumstances, a command authorization bypass. See the Details section for more information.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190605-iosxr-ssh | vendor-advisory, x_refsource_CISCO | |
| http://www.securityfocus.com/bid/108687 | vdb-entry, x_refsource_BID |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: unspecified < 6.1.4 |
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cve-2019-16022
Vulnerability from cvelistv5
Published
2020-01-26 04:31
Modified
2024-11-15 17:46
Severity ?
EPSS score ?
Summary
Multiple vulnerabilities in the implementation of Border Gateway Protocol (BGP) Ethernet VPN (EVPN) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerabilities are due to incorrect processing of BGP update messages that contain crafted EVPN attributes. An attacker could exploit these vulnerabilities by sending BGP EVPN update messages with malformed attributes to be processed by an affected system. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP traffic only from explicitly defined peers. To exploit these vulnerabilities, the malicious BGP update message would need to come from a configured, valid BGP peer, or would need to be injected by the attacker into the victim's BGP network on an existing, valid TCP connection to a BGP peer.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200122-ios-xr-evpn | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: unspecified < n/a |
|
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cve-2018-15428
Vulnerability from cvelistv5
Published
2018-10-05 14:00
Modified
2024-11-26 14:27
Severity ?
EPSS score ?
Summary
A vulnerability in the implementation of Border Gateway Protocol (BGP) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to incorrect processing of certain BGP update messages. An attacker could exploit this vulnerability by sending BGP update messages that include a specific, malformed attribute to be processed by an affected system. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP traffic only from explicitly defined peers. To exploit this vulnerability, the malicious BGP update message would need to come from a configured, valid BGP peer, or would need to be injected by the attacker into the victim's BGP network on an existing, valid TCP connection to a BGP peer.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-iosxr-dos | vendor-advisory, x_refsource_CISCO | |
| http://www.securitytracker.com/id/1041790 | vdb-entry, x_refsource_SECTRACK |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: n/a |
|
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cve-2020-3569
Vulnerability from cvelistv5
Published
2020-09-23 00:25
Modified
2024-11-08 16:09
Severity ?
EPSS score ?
Summary
Multiple vulnerabilities in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to either immediately crash the Internet Group Management Protocol (IGMP) process or make it consume available memory and eventually crash. The memory consumption may negatively impact other processes that are running on the device. These vulnerabilities are due to the incorrect handling of IGMP packets. An attacker could exploit these vulnerabilities by sending crafted IGMP traffic to an affected device. A successful exploit could allow the attacker to immediately crash the IGMP process or cause memory exhaustion, resulting in other processes becoming unstable. These processes may include, but are not limited to, interior and exterior routing protocols. Cisco will release software updates that address these vulnerabilities.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-dvmrp-memexh-dSmpdvfz | vendor-advisory, x_refsource_CISCO |
Impacted products
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|---|---|---|---|
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Version: n/a |
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cve-2020-3566
Vulnerability from cvelistv5
Published
2020-08-29 15:15
Modified
2024-11-08 16:09
Severity ?
EPSS score ?
Summary
A vulnerability in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory of an affected device. The vulnerability is due to insufficient queue management for Internet Group Management Protocol (IGMP) packets. An attacker could exploit this vulnerability by sending crafted IGMP traffic to an affected device. A successful exploit could allow the attacker to cause memory exhaustion, resulting in instability of other processes. These processes may include, but are not limited to, interior and exterior routing protocols. Cisco will release software updates that address this vulnerability.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-dvmrp-memexh-dSmpdvfz | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: n/a |
|
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cve-2021-34721
Vulnerability from cvelistv5
Published
2021-09-09 05:01
Modified
2024-11-07 22:00
Severity ?
EPSS score ?
Summary
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to gain access to the underlying root shell of an affected device and execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details section of this advisory.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-cmd-inj-wbZKvPxc | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: n/a |
|
|
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cve-2021-34718
Vulnerability from cvelistv5
Published
2021-09-09 05:00
Modified
2024-11-07 22:01
Severity ?
EPSS score ?
Summary
A vulnerability in the SSH Server process of Cisco IOS XR Software could allow an authenticated, remote attacker to overwrite and read arbitrary files on the local device. This vulnerability is due to insufficient input validation of arguments that are supplied by the user for a specific file transfer method. An attacker with lower-level privileges could exploit this vulnerability by specifying Secure Copy Protocol (SCP) parameters when authenticating to a device. A successful exploit could allow the attacker to elevate their privileges and retrieve and upload files on a device that they should not have access to.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-scp-inject-QwZOCv2 | vendor-advisory, x_refsource_CISCO |
Impacted products
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|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: n/a |
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cve-2019-1846
Vulnerability from cvelistv5
Published
2019-05-16 01:20
Modified
2024-11-21 19:23
Severity ?
EPSS score ?
Summary
A vulnerability in the Multiprotocol Label Switching (MPLS) Operations, Administration, and Maintenance (OAM) implementation of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to trigger a denial of service (DoS) condition on an affected device. The vulnerability is due to the incorrect handling of certain MPLS OAM packets. An attacker could exploit this vulnerability by sending malicious MPLS OAM packets to an affected device. A successful exploit could allow the attacker to cause the lspv_server process to crash. The crash could lead to system instability and the inability to process or forward traffic though the device, resulting in a DoS condition that require manual intervention to restore normal operating conditions.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-asr9k-mpls-dos | vendor-advisory, x_refsource_CISCO | |
| http://www.securityfocus.com/bid/108363 | vdb-entry, x_refsource_BID |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: unspecified < n/a |
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cve-2021-34737
Vulnerability from cvelistv5
Published
2021-09-09 05:01
Modified
2024-11-07 22:00
Severity ?
EPSS score ?
Summary
A vulnerability in the DHCP version 4 (DHCPv4) server feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to trigger a crash of the dhcpd process, resulting in a denial of service (DoS) condition. This vulnerability exists because certain DHCPv4 messages are improperly validated when they are processed by an affected device. An attacker could exploit this vulnerability by sending a malformed DHCPv4 message to an affected device. A successful exploit could allow the attacker to cause a NULL pointer dereference, resulting in a crash of the dhcpd process. While the dhcpd process is restarting, which may take up to approximately two minutes, DHCPv4 server services are unavailable on the affected device. This could temporarily prevent network access to clients that join the network during that time period. Note: Only the dhcpd process crashes and eventually restarts automatically. The router does not reload.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-dhcp-dos-pjPVReLU | vendor-advisory, x_refsource_CISCO |
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| ▼ | Cisco | Cisco IOS XR Software |
Version: n/a |
|
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cve-2019-12709
Vulnerability from cvelistv5
Published
2019-09-25 20:15
Modified
2024-11-20 17:09
Severity ?
EPSS score ?
Summary
A vulnerability in a CLI command related to the virtualization manager (VMAN) in Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers could allow an authenticated, local attacker to execute arbitrary commands on the underlying Linux operating system with root privileges. The vulnerability is due to insufficient validation of arguments passed to a specific VMAN CLI command on an affected device. An attacker who has valid administrator access to an affected device could exploit this vulnerability by including malicious input as the argument of an affected command. A successful exploit could allow the attacker to run arbitrary commands on the underlying operating system with root privileges, which may lead to complete system compromise.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-xr-asr9k-privesc | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: unspecified < n/a |
|
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cve-2022-20919
Vulnerability from cvelistv5
Published
2022-09-30 18:46
Modified
2024-11-01 18:50
Severity ?
EPSS score ?
Summary
A vulnerability in the processing of malformed Common Industrial Protocol (CIP) packets that are sent to Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient input validation during processing of CIP packets. An attacker could exploit this vulnerability by sending a malformed CIP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to unexpectedly reload, resulting in a DoS condition.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-cip-dos-9rTbKLt9 | vendor-advisory, x_refsource_CISCO |
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cve-2023-20236
Vulnerability from cvelistv5
Published
2023-09-13 16:39
Modified
2024-10-23 19:10
Severity ?
EPSS score ?
Summary
A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device.
This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: 5.2.0 Version: 5.2.1 Version: 5.2.2 Version: 5.2.4 Version: 5.2.3 Version: 5.2.5 Version: 5.2.47 Version: 5.3.0 Version: 5.3.1 Version: 5.3.2 Version: 5.3.3 Version: 5.3.4 Version: 6.0.0 Version: 6.0.1 Version: 6.0.2 Version: 6.1.1 Version: 6.1.2 Version: 6.1.3 Version: 6.1.4 Version: 6.1.12 Version: 6.1.22 Version: 6.1.32 Version: 6.1.36 Version: 6.1.42 Version: 6.2.1 Version: 6.2.2 Version: 6.2.3 Version: 6.2.25 Version: 6.2.11 Version: 6.3.2 Version: 6.3.3 Version: 6.3.15 Version: 6.4.1 Version: 6.4.2 Version: 6.4.3 Version: 6.5.1 Version: 6.5.2 Version: 6.5.3 Version: 6.5.25 Version: 6.5.26 Version: 6.5.28 Version: 6.5.29 Version: 6.5.32 Version: 6.5.33 Version: 6.6.2 Version: 6.6.3 Version: 6.6.25 Version: 6.6.4 Version: 7.0.1 Version: 7.0.2 Version: 7.0.12 Version: 7.0.14 Version: 7.1.1 Version: 7.1.15 Version: 7.1.2 Version: 7.1.3 Version: 6.7.1 Version: 6.7.2 Version: 6.7.3 Version: 6.7.4 Version: 7.2.0 Version: 7.2.1 Version: 7.2.2 Version: 7.3.1 Version: 7.3.15 Version: 7.3.2 Version: 7.3.3 Version: 7.3.5 Version: 7.4.1 Version: 7.4.2 Version: 6.8.1 Version: 6.8.2 Version: 7.5.1 Version: 7.5.3 Version: 7.5.2 Version: 7.5.4 Version: 7.6.1 Version: 7.6.2 Version: 7.7.1 Version: 7.7.2 Version: 7.7.21 Version: 6.9.1 Version: 6.9.2 Version: 7.8.1 Version: 7.8.2 Version: 7.9.1 Version: 7.9.2 |
|
|
|||
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cve-2021-34719
Vulnerability from cvelistv5
Published
2021-09-09 05:00
Modified
2024-11-07 22:00
Severity ?
EPSS score ?
Summary
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker with a low-privileged account to elevate privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privescal-dZYMrKf | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: n/a |
|
|
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cve-2018-0241
Vulnerability from cvelistv5
Published
2018-04-19 20:00
Modified
2024-11-29 15:16
Severity ?
EPSS score ?
Summary
A vulnerability in the UDP broadcast forwarding function of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on the affected device. The vulnerability is due to improper handling of UDP broadcast packets that are forwarded to an IPv4 helper address. An attacker could exploit this vulnerability by sending multiple UDP broadcast packets to the affected device. An exploit could allow the attacker to cause a buffer leak on the affected device, eventually resulting in a DoS condition requiring manual intervention to recover. This vulnerability affects all Cisco IOS XR platforms running 6.3.1, 6.2.3, or earlier releases of Cisco IOS XR Software when at least one IPv4 helper address is configured on an interface of the device. Cisco Bug IDs: CSCvi35625.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-iosxr | x_refsource_CONFIRM | |
| http://www.securitytracker.com/id/1040710 | vdb-entry, x_refsource_SECTRACK | |
| http://www.securityfocus.com/bid/103929 | vdb-entry, x_refsource_BID |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | n/a | Cisco IOS XR |
Version: Cisco IOS XR |
|
|
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cve-2021-34720
Vulnerability from cvelistv5
Published
2021-09-09 05:01
Modified
2024-11-07 22:00
Severity ?
EPSS score ?
Summary
A vulnerability in the IP Service Level Agreements (IP SLA) responder and Two-Way Active Measurement Protocol (TWAMP) features of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause device packet memory to become exhausted or cause the IP SLA process to crash, resulting in a denial of service (DoS) condition. This vulnerability exists because socket creation failures are mishandled during the IP SLA and TWAMP processes. An attacker could exploit this vulnerability by sending specific IP SLA or TWAMP packets to an affected device. A successful exploit could allow the attacker to exhaust the packet memory, which will impact other processes, such as routing protocols, or crash the IP SLA process.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipsla-ZA3SRrpP | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: n/a |
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cve-2023-20066
Vulnerability from cvelistv5
Published
2023-03-23 00:00
Modified
2024-10-25 16:02
Severity ?
EPSS score ?
Summary
A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to perform a directory traversal and access resources that are outside the filesystem mountpoint of the web UI. This vulnerability is due to an insufficient security configuration. An attacker could exploit this vulnerability by sending a crafted request to the web UI. A successful exploit could allow the attacker to gain read access to files that are outside the filesystem mountpoint of the web UI. Note: These files are located on a restricted filesystem that is maintained for the web UI. There is no ability to write to any files on this filesystem.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XE Software |
Version: n/a |
|
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cve-2017-12231
Vulnerability from cvelistv5
Published
2017-09-28 07:00
Modified
2024-11-15 17:58
Severity ?
EPSS score ?
Summary
A vulnerability in the implementation of Network Address Translation (NAT) functionality in Cisco IOS 12.4 through 15.6 could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to the improper translation of H.323 messages that use the Registration, Admission, and Status (RAS) protocol and are sent to an affected device via IPv4 packets. An attacker could exploit this vulnerability by sending a crafted H.323 RAS packet through an affected device. A successful exploit could allow the attacker to cause the affected device to crash and reload, resulting in a DoS condition. This vulnerability affects Cisco devices that are configured to use an application layer gateway with NAT (NAT ALG) for H.323 RAS messages. By default, a NAT ALG is enabled for H.323 RAS messages. Cisco Bug IDs: CSCvc57217.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1039449 | vdb-entry, x_refsource_SECTRACK | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-nat | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/101039 | vdb-entry, x_refsource_BID |
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cve-2023-20049
Vulnerability from cvelistv5
Published
2023-03-09 00:00
Modified
2024-10-28 16:33
Severity ?
EPSS score ?
Summary
A vulnerability in the bidirectional forwarding detection (BFD) hardware offload feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9903 Compact High-Performance Routers could allow an unauthenticated, remote attacker to cause a line card to reset, resulting in a denial of service (DoS) condition. This vulnerability is due to the incorrect handling of malformed BFD packets that are received on line cards where the BFD hardware offload feature is enabled. An attacker could exploit this vulnerability by sending a crafted IPv4 BFD packet to an affected device. A successful exploit could allow the attacker to cause line card exceptions or a hard reset, resulting in loss of traffic over that line card while the line card reloads.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: n/a |
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cve-2020-26070
Vulnerability from cvelistv5
Published
2020-11-12 02:05
Modified
2024-11-13 17:40
Severity ?
EPSS score ?
Summary
A vulnerability in the ingress packet processing function of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper resource allocation when an affected device processes network traffic in software switching mode (punted). An attacker could exploit this vulnerability by sending specific streams of Layer 2 or Layer 3 protocol data units (PDUs) to an affected device. A successful exploit could cause the affected device to run out of buffer resources, which could make the device unable to process or forward traffic, resulting in a DoS condition. The device would need to be restarted to regain functionality.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xr-cp-dos-ej8VB9QY | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
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cve-2020-3118
Vulnerability from cvelistv5
Published
2020-02-05 17:40
Modified
2024-11-08 16:12
Severity ?
EPSS score ?
Summary
A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected device. The vulnerability is due to improper validation of string input from certain fields in Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol packet to an affected device. A successful exploit could allow the attacker to cause a stack overflow, which could allow the attacker to execute arbitrary code with administrative privileges on an affected device. Cisco Discovery Protocol is a Layer 2 protocol. To exploit this vulnerability, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200205-iosxr-cdp-rce | vendor-advisory, x_refsource_CISCO | |
| http://packetstormsecurity.com/files/156203/Cisco-Discovery-Protocol-CDP-Remote-Device-Takeover.html | x_refsource_MISC |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: unspecified < 6.6.3 |
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cve-2022-20848
Vulnerability from cvelistv5
Published
2022-09-30 18:45
Modified
2024-11-01 18:50
Severity ?
EPSS score ?
Summary
A vulnerability in the UDP processing functionality of Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst 9100 Series Access Points could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to the improper processing of UDP datagrams. An attacker could exploit this vulnerability by sending malicious UDP datagrams to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-udp-dos-XDyEwhNz | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XE Software |
Version: n/a |
|
|
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cve-2021-34713
Vulnerability from cvelistv5
Published
2021-09-09 05:00
Modified
2024-11-07 22:01
Severity ?
EPSS score ?
Summary
A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames that cause a spin loop that can make the network processors unresponsive. An attacker could exploit this vulnerability by sending specific types of Ethernet frames on the segment where the affected line cards are attached. A successful exploit could allow the attacker to cause the affected line card to reboot.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-npspin-QYpwdhFD | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: n/a |
|
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cve-2019-16018
Vulnerability from cvelistv5
Published
2020-01-26 04:30
Modified
2024-11-15 17:46
Severity ?
EPSS score ?
Summary
A vulnerability in the implementation of Border Gateway Protocol (BGP) Ethernet VPN (EVPN) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to incorrect processing of a BGP update message that contains crafted EVPN attributes. An attacker could indirectly exploit the vulnerability by sending BGP EVPN update messages with a specific, malformed attribute to an affected system and waiting for a user on the device to display the EVPN operational routes’ status. If successful, the attacker could cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP traffic only from explicitly defined peers. To exploit this vulnerability, the malicious BGP update message would need to come from a configured, valid BGP peer, or would need to be injected by the attacker into the victim's BGP network on an existing, valid TCP connection to a BGP peer.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200122-ios-xr-routes | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: unspecified < n/a |
|
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cve-2019-1909
Vulnerability from cvelistv5
Published
2019-07-06 01:20
Modified
2024-11-21 19:19
Severity ?
EPSS score ?
Summary
A vulnerability in the implementation of Border Gateway Protocol (BGP) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected system. The vulnerability is due to incorrect processing of certain BGP update messages. An attacker could exploit this vulnerability by sending BGP update messages that include a specific set of attributes to be processed by an affected system. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP traffic from explicitly defined peers only. To exploit this vulnerability, the malicious BGP update message would need to come from a configured, valid BGP peer or would need to be injected by the attacker into the victim's BGP network on an existing, valid TCP connection to a BGP peer.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-iosxr-bgp-dos | vendor-advisory, x_refsource_CISCO |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| ▼ | Cisco | Cisco IOS XR Software |
Version: unspecified < 6.4.2 |
|
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Vulnerability from fkie_nvd
Published
2023-03-09 22:15
Modified
2024-11-21 07:40
Severity ?
4.6 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.6 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.6 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
A vulnerability in the GRand Unified Bootloader (GRUB) for Cisco IOS XR Software could allow an unauthenticated attacker with physical access to the device to view sensitive files on the console using the GRUB bootloader command line. This vulnerability is due to the inclusion of unnecessary commands within the GRUB environment that allow sensitive files to be viewed. An attacker could exploit this vulnerability by being connected to the console port of the Cisco IOS XR device when the device is power-cycled. A successful exploit could allow the attacker to view sensitive files that could be used to conduct additional attacks against the device.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios_xr | * | |
| cisco | asr_9000v-v2 | - | |
| cisco | asr_9001 | - | |
| cisco | asr_9006 | - | |
| cisco | asr_9010 | - | |
| cisco | asr_9901 | - | |
| cisco | asr_9902 | - | |
| cisco | asr_9903 | - | |
| cisco | asr_9904 | - | |
| cisco | asr_9906 | - | |
| cisco | asr_9910 | - | |
| cisco | asr_9912 | - | |
| cisco | asr_9922 | - | |
| cisco | ios_xrv_9000 | - | |
| cisco | ncs_1001 | - | |
| cisco | ncs_1002 | - | |
| cisco | ncs_1004 | - | |
| cisco | ios_xr | * | |
| cisco | nc57-18dd-se | - | |
| cisco | nc57-24dd | - | |
| cisco | nc57-36h-se | - | |
| cisco | nc57-36h6d-s | - | |
| cisco | ncs_540 | - | |
| cisco | ncs_540_fronthaul | - | |
| cisco | ncs_5501 | - | |
| cisco | ncs_5501-se | - | |
| cisco | ncs_5502 | - | |
| cisco | ncs_5502-se | - | |
| cisco | ncs_5508 | - | |
| cisco | ncs_5516 | - | |
| cisco | ncs_560-4 | - | |
| cisco | ncs_560-7 | - | |
| cisco | ncs_57b1-5dse-sys | - | |
| cisco | ncs_57b1-6d24-sys | - | |
| cisco | ncs_57c1-48q6-sys | - | |
| cisco | ncs_57c3-mod-sys | - | |
| cisco | ncs_57c3-mods-sys | - | |
| cisco | ios_xr | * | |
| cisco | ncs_5001 | - | |
| cisco | ncs_5002 | - | |
| cisco | ncs_5011 | - | |
| cisco | ios_xr | * | |
| cisco | ncs_6000 | - |
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Vulnerability from fkie_nvd
Published
2023-09-13 17:15
Modified
2024-11-21 07:40
Severity ?
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device.
This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios_xr | * | |
| cisco | 8201 | - | |
| cisco | 8202 | - | |
| cisco | 8208 | - | |
| cisco | 8212 | - | |
| cisco | 8218 | - | |
| cisco | 8804 | - | |
| cisco | 8808 | - | |
| cisco | 8812 | - | |
| cisco | 8818 | - | |
| cisco | 8831 | - | |
| cisco | asr_9000 | - | |
| cisco | asr_9000v | - | |
| cisco | asr_9001 | - | |
| cisco | asr_9006 | - | |
| cisco | asr_9010 | - | |
| cisco | asr_9901 | - | |
| cisco | asr_9902 | - | |
| cisco | asr_9903 | - | |
| cisco | asr_9904 | - | |
| cisco | asr_9906 | - | |
| cisco | asr_9910 | - | |
| cisco | asr_9912 | - | |
| cisco | asr_9920 | - | |
| cisco | asr_9922 | - | |
| cisco | ncs_1001 | - | |
| cisco | ncs_1002 | - | |
| cisco | ncs_1004 | - | |
| cisco | ncs_4009 | - | |
| cisco | ncs_4016 | - | |
| cisco | ncs_4201 | - | |
| cisco | ncs_4202 | - | |
| cisco | ncs_4206 | - | |
| cisco | ncs_4216 | - | |
| cisco | ncs_5001 | - | |
| cisco | ncs_5002 | - | |
| cisco | ncs_5011 | - | |
| cisco | ncs_540 | - | |
| cisco | ncs_5500 | - | |
| cisco | ncs_5501 | - | |
| cisco | ncs_5501 | se | |
| cisco | ncs_5502 | - | |
| cisco | ncs_5502 | se | |
| cisco | ncs_5504 | - | |
| cisco | ncs_5508 | - | |
| cisco | ncs_5516 | - | |
| cisco | ncs_560 | - | |
| cisco | ncs_560-4 | - | |
| cisco | ncs_560-7 | - | |
| cisco | ncs_57b1-5dse-sys | - | |
| cisco | ncs_57b1-6d24-sys | - | |
| cisco | ncs_57c1-48q6-sys | - | |
| cisco | ncs_57c3-mod-sys | - | |
| cisco | ncs_57c3-mods-sys | - |
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"value": "Una vulnerabilidad en la funci\u00f3n de arranque iPXE del software Cisco IOS XR podr\u00eda permitir que un atacante local autenticado instale una imagen de software no verificada en un dispositivo afectado. Esta vulnerabilidad se debe a una verificaci\u00f3n de imagen insuficiente. Un atacante podr\u00eda aprovechar esta vulnerabilidad manipulando los par\u00e1metros de arranque para la verificaci\u00f3n de im\u00e1genes durante el proceso de arranque iPXE en un dispositivo afectado. Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante iniciar una imagen de software no verificada en el dispositivo afectado."
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"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB"
}
],
"sourceIdentifier": "ykramarz@cisco.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-347"
}
],
"source": "ykramarz@cisco.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-345"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2021-09-09 05:15
Modified
2024-11-21 06:11
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker with a low-privileged account to elevate privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
References
Impacted products
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{
"lang": "es",
"value": "M\u00faltiples vulnerabilidades en la CLI de Cisco IOS XR Software podr\u00edan permitir a un atacante local autenticado con una cuenta de bajo privilegio elevar los privilegios en un dispositivo afectado. Para conseguir m\u00e1s informaci\u00f3n sobre estas vulnerabilidades, consulte la secci\u00f3n Details de este aviso"
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{
"lang": "en",
"value": "CWE-78"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2023-03-23 17:15
Modified
2024-11-21 07:40
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to perform a directory traversal and access resources that are outside the filesystem mountpoint of the web UI. This vulnerability is due to an insufficient security configuration. An attacker could exploit this vulnerability by sending a crafted request to the web UI. A successful exploit could allow the attacker to gain read access to files that are outside the filesystem mountpoint of the web UI. Note: These files are located on a restricted filesystem that is maintained for the web UI. There is no ability to write to any files on this filesystem.
References
Impacted products
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"operator": "OR"
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to perform a directory traversal and access resources that are outside the filesystem mountpoint of the web UI. This vulnerability is due to an insufficient security configuration. An attacker could exploit this vulnerability by sending a crafted request to the web UI. A successful exploit could allow the attacker to gain read access to files that are outside the filesystem mountpoint of the web UI. Note: These files are located on a restricted filesystem that is maintained for the web UI. There is no ability to write to any files on this filesystem."
}
],
"id": "CVE-2023-20066",
"lastModified": "2024-11-21T07:40:28.413",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "ykramarz@cisco.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2023-03-23T17:15:14.547",
"references": [
{
"source": "ykramarz@cisco.com",
"tags": [
"Vendor Advisory"
],
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-pthtrv-es7GSb9V"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-pthtrv-es7GSb9V"
}
],
"sourceIdentifier": "ykramarz@cisco.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-23"
}
],
"source": "ykramarz@cisco.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-22"
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],
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"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2020-01-26 05:15
Modified
2024-11-21 04:29
Severity ?
Summary
Multiple vulnerabilities in the implementation of Border Gateway Protocol (BGP) Ethernet VPN (EVPN) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerabilities are due to incorrect processing of BGP update messages that contain crafted EVPN attributes. An attacker could exploit these vulnerabilities by sending BGP EVPN update messages with malformed attributes to be processed by an affected system. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP traffic only from explicitly defined peers. To exploit these vulnerabilities, the malicious BGP update message would need to come from a configured, valid BGP peer, or would need to be injected by the attacker into the victim's BGP network on an existing, valid TCP connection to a BGP peer.
References
Impacted products
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"value": "M\u00faltiples vulnerabilidades en la implementaci\u00f3n de la funcionalidad Border Gateway Protocol (BGP) Ethernet VPN (EVPN) en Cisco IOS XR Software, podr\u00edan permitir a un atacante remoto no autenticado causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS). Las vulnerabilidades son debido al procesamiento incorrecto de los mensajes de actualizaci\u00f3n de BGP que contienen atributos EVPN dise\u00f1ados. Un atacante podr\u00eda explotar estas vulnerabilidades mediante el env\u00edo de mensajes de actualizaci\u00f3n de BGP EVPN con atributos malformados para ser procesados ??por un sistema afectado. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante causar que el proceso BGP se reinicie inesperadamente, resultando en una condici\u00f3n DoS. La implementaci\u00f3n de Cisco de BGP acepta el tr\u00e1fico de BGP entrante solo desde peers definidos expl\u00edcitamente. Para explotar estas vulnerabilidades, el mensaje de actualizaci\u00f3n de BGP malicioso necesitar\u00eda venir desde un peer de BGP v\u00e1lido y configurado, o necesitar\u00eda ser inyectado por parte del atacante en la red de BGP de la v\u00edctima en una conexi\u00f3n TCP v\u00e1lida y existente a un peer de BGP."
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}
Vulnerability from fkie_nvd
Published
2020-02-05 18:15
Modified
2024-11-21 05:30
Severity ?
Summary
A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected device. The vulnerability is due to improper validation of string input from certain fields in Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol packet to an affected device. A successful exploit could allow the attacker to cause a stack overflow, which could allow the attacker to execute arbitrary code with administrative privileges on an affected device. Cisco Discovery Protocol is a Layer 2 protocol. To exploit this vulnerability, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).
References
Impacted products
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Vulnerability from fkie_nvd
Published
2018-08-15 20:29
Modified
2024-11-21 03:38
Severity ?
Summary
A vulnerability in the Local Packet Transport Services (LPTS) feature set of Cisco ASR 9000 Series Aggregation Services Router Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a lack of input and validation checking on certain Precision Time Protocol (PTP) ingress traffic to an affected device. An attacker could exploit this vulnerability by injecting malformed traffic into an affected device. A successful exploit could allow the attacker to cause services on the device to become unresponsive, resulting in a DoS condition. Cisco Bug IDs: CSCvj22858.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| ykramarz@cisco.com | http://www.securityfocus.com/bid/105185 | Third Party Advisory, VDB Entry | |
| ykramarz@cisco.com | http://www.securitytracker.com/id/1041538 | Third Party Advisory, VDB Entry | |
| ykramarz@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180815-asr-ptp-dos | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/105185 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securitytracker.com/id/1041538 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180815-asr-ptp-dos | Vendor Advisory |
Impacted products
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Vulnerability from fkie_nvd
Published
2021-09-09 05:15
Modified
2024-11-21 06:11
Severity ?
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to gain access to the underlying root shell of an affected device and execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details section of this advisory.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | asr_9000v-v2 | - | |
| cisco | asr_9001 | - | |
| cisco | asr_9006 | - | |
| cisco | asr_9010 | - | |
| cisco | asr_9901 | - | |
| cisco | asr_9902 | - | |
| cisco | asr_9903 | - | |
| cisco | asr_9904 | - | |
| cisco | asr_9906 | - | |
| cisco | asr_9910 | - | |
| cisco | asr_9912 | - | |
| cisco | asr_9922 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ios_xrv | - | |
| cisco | ios_xrv_9000 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_520 | - | |
| cisco | ncs_540 | - | |
| cisco | ncs_540_fronthaul | - | |
| cisco | ncs_560-4 | - | |
| cisco | ncs_560-7 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_5001 | - | |
| cisco | ncs_5002 | - | |
| cisco | ncs_5011 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_5501 | - | |
| cisco | ncs_5501-se | - | |
| cisco | ncs_5502 | - | |
| cisco | ncs_5502-se | - | |
| cisco | ncs_5508 | - | |
| cisco | ncs_5516 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_6000 | - | |
| cisco | ncs_6008 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_1001 | - | |
| cisco | ncs_1002 | - | |
| cisco | ncs_1004 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | 8101-32fh | - | |
| cisco | 8101-32h | - | |
| cisco | 8102-64h | - | |
| cisco | 8201 | - | |
| cisco | 8201-32fh | - | |
| cisco | 8202 | - | |
| cisco | 8804 | - | |
| cisco | 8808 | - | |
| cisco | 8812 | - | |
| cisco | 8818 | - |
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Vulnerability from fkie_nvd
Published
2020-01-26 05:15
Modified
2024-11-21 04:29
Severity ?
Summary
A vulnerability in the implementation of the Border Gateway Protocol (BGP) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to incorrect processing of a BGP update message that contains a specific BGP attribute. An attacker could exploit this vulnerability by sending BGP update messages that include a specific, malformed attribute to be processed by an affected system. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP traffic only from explicitly defined peers. To exploit this vulnerability, the malicious BGP update message would need to come from a configured, valid BGP peer or would need to be injected by the attacker into the victim’s BGP network on an existing, valid TCP connection to a BGP peer.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2020-09-04 03:15
Modified
2024-11-21 05:31
Severity ?
8.4 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
8.4 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
8.4 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Summary
A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to execute that command, even though administrative privileges should be required. The attacker must have valid credentials on the affected device. The vulnerability is due to incorrect mapping in the source code of task group assignments for a specific command. An attacker could exploit this vulnerability by issuing the command, which they should not be authorized to issue, on an affected device. A successful exploit could allow the attacker to invalidate the integrity of the disk and cause the device to restart. This vulnerability could allow a user with read permissions to issue a specific command that should require Administrator privileges.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios_xr | * | |
| cisco | asr_9000v | - | |
| cisco | asr_9001 | - | |
| cisco | asr_9006 | - | |
| cisco | asr_9010 | - | |
| cisco | asr_9901 | - | |
| cisco | asr_9904 | - | |
| cisco | asr_9906 | - | |
| cisco | asr_9910 | - | |
| cisco | asr_9912 | - | |
| cisco | asr_9922 | - | |
| cisco | ncs_1001 | - | |
| cisco | ncs_1002 | - | |
| cisco | ncs_1004 | - | |
| cisco | ncs_5001 | - | |
| cisco | ncs_5002 | - | |
| cisco | ncs_5011 | - | |
| cisco | ncs_5501 | - | |
| cisco | ncs_5501-se | - | |
| cisco | ncs_5502 | - | |
| cisco | ncs_5502-se | - | |
| cisco | ncs_5508 | - | |
| cisco | ncs_5516 | - |
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"value": "Una vulnerabilidad en la asignaci\u00f3n del grupo de tareas para un comando de la CLI espec\u00edfico en Cisco IOS XR Software podr\u00eda permitir a un atacante local autenticado ejecutar ese comando, aunque deber\u00edan ser requeridos privilegios administrativos. El atacante debe tener credenciales v\u00e1lidas en el dispositivo afectado. La vulnerabilidad es debido a una asignaci\u00f3n incorrecta en el c\u00f3digo fuente de las asignaciones de grupos de tareas para un comando espec\u00edfico. Un atacante podr\u00eda explotar esta vulnerabilidad mediante la emisi\u00f3n del comando, que no deber\u00eda estar autorizado para emitir, en un dispositivo afectado. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante invalidar la integridad del disco y causar que el dispositivo se reinicie. Esta vulnerabilidad podr\u00eda permitir a un usuario con permisos de lectura emitir un comando espec\u00edfico que requerir\u00eda privilegios de Administrador"
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"tags": [
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}
Vulnerability from fkie_nvd
Published
2021-09-09 05:15
Modified
2024-11-21 06:11
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
A vulnerability in the IP Service Level Agreements (IP SLA) responder and Two-Way Active Measurement Protocol (TWAMP) features of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause device packet memory to become exhausted or cause the IP SLA process to crash, resulting in a denial of service (DoS) condition. This vulnerability exists because socket creation failures are mishandled during the IP SLA and TWAMP processes. An attacker could exploit this vulnerability by sending specific IP SLA or TWAMP packets to an affected device. A successful exploit could allow the attacker to exhaust the packet memory, which will impact other processes, such as routing protocols, or crash the IP SLA process.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2020-11-12 02:15
Modified
2024-11-21 05:19
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
A vulnerability in the ingress packet processing function of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper resource allocation when an affected device processes network traffic in software switching mode (punted). An attacker could exploit this vulnerability by sending specific streams of Layer 2 or Layer 3 protocol data units (PDUs) to an affected device. A successful exploit could cause the affected device to run out of buffer resources, which could make the device unable to process or forward traffic, resulting in a DoS condition. The device would need to be restarted to regain functionality.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2021-09-09 05:15
Modified
2024-11-21 06:11
Severity ?
5.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A vulnerability in the DHCP version 4 (DHCPv4) server feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to trigger a crash of the dhcpd process, resulting in a denial of service (DoS) condition. This vulnerability exists because certain DHCPv4 messages are improperly validated when they are processed by an affected device. An attacker could exploit this vulnerability by sending a malformed DHCPv4 message to an affected device. A successful exploit could allow the attacker to cause a NULL pointer dereference, resulting in a crash of the dhcpd process. While the dhcpd process is restarting, which may take up to approximately two minutes, DHCPv4 server services are unavailable on the affected device. This could temporarily prevent network access to clients that join the network during that time period. Note: Only the dhcpd process crashes and eventually restarts automatically. The router does not reload.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | asr_9000v-v2 | - | |
| cisco | asr_9001 | - | |
| cisco | asr_9006 | - | |
| cisco | asr_9010 | - | |
| cisco | asr_9901 | - | |
| cisco | asr_9902 | - | |
| cisco | asr_9903 | - | |
| cisco | asr_9904 | - | |
| cisco | asr_9906 | - | |
| cisco | asr_9910 | - | |
| cisco | asr_9912 | - | |
| cisco | asr_9922 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ios_xrv_9000 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs540-12z20g-sys-a | - | |
| cisco | ncs540-12z20g-sys-d | - | |
| cisco | ncs540-24z8q2c-m | - | |
| cisco | ncs540-24z8q2c-sys | - | |
| cisco | ncs540-28z4c-sys-a | - | |
| cisco | ncs540-28z4c-sys-d | - | |
| cisco | ncs540-acc-sys | - | |
| cisco | ncs540x-12z16g-sys-a | - | |
| cisco | ncs540x-12z16g-sys-d | - | |
| cisco | ncs540x-16z4g8q2c-a | - | |
| cisco | ncs540x-16z4g8q2c-d | - | |
| cisco | ncs540x-acc-sys | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_5001 | - | |
| cisco | ncs_5002 | - | |
| cisco | ncs_5011 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_560-4 | - | |
| cisco | ncs_560-7 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_5501 | - | |
| cisco | ncs_5501-se | - | |
| cisco | ncs_5502 | - | |
| cisco | ncs_5502-se | - | |
| cisco | ncs_5508 | - | |
| cisco | ncs_5516 | - |
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Vulnerability from fkie_nvd
Published
2019-09-25 21:15
Modified
2024-11-21 04:23
Severity ?
Summary
A vulnerability in a CLI command related to the virtualization manager (VMAN) in Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers could allow an authenticated, local attacker to execute arbitrary commands on the underlying Linux operating system with root privileges. The vulnerability is due to insufficient validation of arguments passed to a specific VMAN CLI command on an affected device. An attacker who has valid administrator access to an affected device could exploit this vulnerability by including malicious input as the argument of an affected command. A successful exploit could allow the attacker to run arbitrary commands on the underlying operating system with root privileges, which may lead to complete system compromise.
References
Impacted products
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"metrics": {
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],
"sourceIdentifier": "ykramarz@cisco.com",
"vulnStatus": "Modified",
"weaknesses": [
{
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{
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],
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"type": "Secondary"
},
{
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{
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],
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}
Vulnerability from fkie_nvd
Published
2022-09-30 19:15
Modified
2024-11-21 06:43
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A vulnerability in the UDP processing functionality of Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst 9100 Series Access Points could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to the improper processing of UDP datagrams. An attacker could exploit this vulnerability by sending malicious UDP datagrams to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2018-10-05 14:29
Modified
2024-11-21 03:50
Severity ?
Summary
A vulnerability in the implementation of Border Gateway Protocol (BGP) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to incorrect processing of certain BGP update messages. An attacker could exploit this vulnerability by sending BGP update messages that include a specific, malformed attribute to be processed by an affected system. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP traffic only from explicitly defined peers. To exploit this vulnerability, the malicious BGP update message would need to come from a configured, valid BGP peer, or would need to be injected by the attacker into the victim's BGP network on an existing, valid TCP connection to a BGP peer.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| ykramarz@cisco.com | http://www.securitytracker.com/id/1041790 | Third Party Advisory, VDB Entry | |
| ykramarz@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-iosxr-dos | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securitytracker.com/id/1041790 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-iosxr-dos | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios_xr | 6.0.1 | |
| cisco | ios_xr | 6.0.2 | |
| cisco | ios_xr | 6.1.1 | |
| cisco | ios_xr | 6.1.2 | |
| cisco | ios_xr | 6.1.3 | |
| cisco | ios_xr | 6.1.4 | |
| cisco | ios_xr | 6.2.1 | |
| cisco | ios_xr | 6.2.2 | |
| cisco | ios_xr | 6.2.3 | |
| cisco | ios_xr | 6.4.1 | |
| cisco | asr_9001 | - | |
| cisco | asr_9006 | - | |
| cisco | asr_9010 | - | |
| cisco | asr_9901 | - | |
| cisco | asr_9904 | - | |
| cisco | asr_9906 | - | |
| cisco | asr_9910 | - | |
| cisco | asr_9912 | - | |
| cisco | asr_9922 | - |
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Vulnerability from fkie_nvd
Published
2020-01-26 05:15
Modified
2024-11-21 04:29
Severity ?
Summary
Multiple vulnerabilities in the implementation of Border Gateway Protocol (BGP) Ethernet VPN (EVPN) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerabilities are due to incorrect processing of BGP update messages that contain crafted EVPN attributes. An attacker could exploit these vulnerabilities by sending BGP EVPN update messages with malformed attributes to be processed by an affected system. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP traffic only from explicitly defined peers. To exploit these vulnerabilities, the malicious BGP update message would need to come from a configured, valid BGP peer, or would need to be injected by the attacker into the victim's BGP network on an existing, valid TCP connection to a BGP peer.
References
Impacted products
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}
Vulnerability from fkie_nvd
Published
2021-09-09 05:15
Modified
2024-11-21 06:11
Severity ?
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to gain access to the underlying root shell of an affected device and execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details section of this advisory.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | asr_9000v-v2 | - | |
| cisco | asr_9001 | - | |
| cisco | asr_9006 | - | |
| cisco | asr_9010 | - | |
| cisco | asr_9901 | - | |
| cisco | asr_9902 | - | |
| cisco | asr_9903 | - | |
| cisco | asr_9904 | - | |
| cisco | asr_9906 | - | |
| cisco | asr_9910 | - | |
| cisco | asr_9912 | - | |
| cisco | asr_9922 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ios_xrv | - | |
| cisco | ios_xrv_9000 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_520 | - | |
| cisco | ncs_540 | - | |
| cisco | ncs_540_fronthaul | - | |
| cisco | ncs_560-4 | - | |
| cisco | ncs_560-7 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_5001 | - | |
| cisco | ncs_5002 | - | |
| cisco | ncs_5011 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_5501 | - | |
| cisco | ncs_5501-se | - | |
| cisco | ncs_5502 | - | |
| cisco | ncs_5502-se | - | |
| cisco | ncs_5508 | - | |
| cisco | ncs_5516 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_6000 | - | |
| cisco | ncs_6008 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_1001 | - | |
| cisco | ncs_1002 | - | |
| cisco | ncs_1004 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | 8101-32fh | - | |
| cisco | 8101-32h | - | |
| cisco | 8102-64h | - | |
| cisco | 8201 | - | |
| cisco | 8201-32fh | - | |
| cisco | 8202 | - | |
| cisco | 8804 | - | |
| cisco | 8808 | - | |
| cisco | 8812 | - | |
| cisco | 8818 | - |
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"id": "CVE-2021-34721",
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{
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"tags": [
"Vendor Advisory"
],
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-cmd-inj-wbZKvPxc"
}
],
"sourceIdentifier": "ykramarz@cisco.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-78"
}
],
"source": "ykramarz@cisco.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-78"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2023-03-23 17:15
Modified
2024-11-21 07:40
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A vulnerability in the Cisco IOx application hosting subsystem of Cisco IOS XE Software could allow an authenticated, local attacker to elevate privileges to root on an affected device.
This vulnerability is due to insufficient restrictions on the hosted application. An attacker could exploit this vulnerability by logging in to and then escaping the Cisco IOx application container. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges.
References
Impacted products
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"negate": false,
"operator": "OR"
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the Cisco IOx application hosting subsystem of Cisco IOS XE Software could allow an authenticated, local attacker to elevate privileges to root on an affected device. \r\n\r This vulnerability is due to insufficient restrictions on the hosted application. An attacker could exploit this vulnerability by logging in to and then escaping the Cisco IOx application container. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges."
}
],
"id": "CVE-2023-20065",
"lastModified": "2024-11-21T07:40:28.227",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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},
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"impactScore": 5.9,
"source": "ykramarz@cisco.com",
"type": "Secondary"
},
{
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},
"published": "2023-03-23T17:15:14.393",
"references": [
{
"source": "ykramarz@cisco.com",
"tags": [
"Vendor Advisory"
],
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iox-priv-escalate-Xg8zkyPk"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iox-priv-escalate-Xg8zkyPk"
}
],
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"weaknesses": [
{
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{
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},
{
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{
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],
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}
Vulnerability from fkie_nvd
Published
2020-08-29 16:15
Modified
2024-11-21 05:31
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
A vulnerability in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory of an affected device. The vulnerability is due to insufficient queue management for Internet Group Management Protocol (IGMP) packets. An attacker could exploit this vulnerability by sending crafted IGMP traffic to an affected device. A successful exploit could allow the attacker to cause memory exhaustion, resulting in instability of other processes. These processes may include, but are not limited to, interior and exterior routing protocols. Cisco will release software updates that address this vulnerability.
References
Impacted products
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},
{
"lang": "es",
"value": "Una vulnerabilidad en la funcionalidad del Distance Vector Multicast Routing Protocol (DVMRP) de Cisco IOS XR Software, podr\u00eda permitir a un atacante remoto no autenticado agotar la memoria de proceso de un dispositivo afectado. La vulnerabilidad es debido a una gesti\u00f3n de cola insuficiente para los paquetes Internet Group Management Protocol (IGMP). Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de tr\u00e1fico IGMP dise\u00f1ado hacia un dispositivo afectado. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir a un atacante agotar la memoria, resultando en una inestabilidad de otros procesos. Estos procesos pueden incluir, pero no se limitan a, protocolos de enrutamiento interior y exterior. Cisco lanzar\u00e1 actualizaciones de software que abordan esta vulnerabilidad"
}
],
"id": "CVE-2020-3566",
"lastModified": "2024-11-21T05:31:19.740",
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"references": [
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]
}
Vulnerability from fkie_nvd
Published
2023-03-09 22:15
Modified
2024-11-21 07:40
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A vulnerability in the bidirectional forwarding detection (BFD) hardware offload feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9903 Compact High-Performance Routers could allow an unauthenticated, remote attacker to cause a line card to reset, resulting in a denial of service (DoS) condition. This vulnerability is due to the incorrect handling of malformed BFD packets that are received on line cards where the BFD hardware offload feature is enabled. An attacker could exploit this vulnerability by sending a crafted IPv4 BFD packet to an affected device. A successful exploit could allow the attacker to cause line card exceptions or a hard reset, resulting in loss of traffic over that line card while the line card reloads.
References
Impacted products
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}
],
"id": "CVE-2023-20049",
"lastModified": "2024-11-21T07:40:26.213",
"metrics": {
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}
Vulnerability from fkie_nvd
Published
2017-09-29 01:34
Modified
2024-11-21 03:09
Severity ?
Summary
A vulnerability in the implementation of Network Address Translation (NAT) functionality in Cisco IOS 12.4 through 15.6 could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to the improper translation of H.323 messages that use the Registration, Admission, and Status (RAS) protocol and are sent to an affected device via IPv4 packets. An attacker could exploit this vulnerability by sending a crafted H.323 RAS packet through an affected device. A successful exploit could allow the attacker to cause the affected device to crash and reload, resulting in a DoS condition. This vulnerability affects Cisco devices that are configured to use an application layer gateway with NAT (NAT ALG) for H.323 RAS messages. By default, a NAT ALG is enabled for H.323 RAS messages. Cisco Bug IDs: CSCvc57217.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| ykramarz@cisco.com | http://www.securityfocus.com/bid/101039 | Broken Link, Third Party Advisory, VDB Entry | |
| ykramarz@cisco.com | http://www.securitytracker.com/id/1039449 | Broken Link, Third Party Advisory, VDB Entry | |
| ykramarz@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-nat | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/101039 | Broken Link, Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securitytracker.com/id/1039449 | Broken Link, Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-nat | Vendor Advisory |
Impacted products
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"value": "Una vulnerabilidad en la implementaci\u00f3n de la funcionalidad NAT (Network Address Translation) en Cisco IOS desde la versi\u00f3n 12.4 hasta la 15.6 podr\u00eda permitir que un atacante remoto sin autenticar provoque una denegaci\u00f3n de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad se debe a una traducci\u00f3n incorrecta de los mensajes H.323. que utiliza el protocolo RAS (Registration, Admission and Status) y a que se env\u00edan al dispositivo afectado mediante paquetes IPv4. Un atacante podr\u00eda explotar esta vulnerabilidad enviando un paquete H.323 RAS manipulado mediante el dispositivo afectado. Si se explota con \u00e9xito, podr\u00eda permitir que el atacante provoque que el dispositivo afectado deje de ejecutarse de manera inesperada y que se reinicie, provocando una denegaci\u00f3n de servicio. Esta vulnerabilidad afecta a los dispositivos Cisco que est\u00e1n configurados para usar una puerta de enlace a nivel de aplicaci\u00f3n con NAT (NAT ALG) para mensajes H.3323 RAS. Por defecto, NAT ALG est\u00e1 habilitado para mensajes H.323 RAS. Cisco Bug IDs: CSCvc57217."
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"metrics": {
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"references": [
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"tags": [
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"url": "http://www.securityfocus.com/bid/101039"
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{
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}
],
"sourceIdentifier": "ykramarz@cisco.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
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"value": "CWE-399"
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],
"source": "ykramarz@cisco.com",
"type": "Secondary"
},
{
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],
"source": "nvd@nist.gov",
"type": "Primary"
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]
}
Vulnerability from fkie_nvd
Published
2022-09-30 19:15
Modified
2024-11-21 06:43
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A vulnerability in the processing of malformed Common Industrial Protocol (CIP) packets that are sent to Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient input validation during processing of CIP packets. An attacker could exploit this vulnerability by sending a malformed CIP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to unexpectedly reload, resulting in a DoS condition.
References
Impacted products
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"value": "A vulnerability in the processing of malformed Common Industrial Protocol (CIP) packets that are sent to Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient input validation during processing of CIP packets. An attacker could exploit this vulnerability by sending a malformed CIP packet to an affected device. A successful exploit could allow the attacker to cause the affected device to unexpectedly reload, resulting in a DoS condition."
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{
"lang": "es",
"value": "Una vulnerabilidad en el procesamiento de paquetes malformados del Protocolo Industrial Com\u00fan (CIP) que se env\u00edan al software Cisco IOS y al software Cisco IOS XE podr\u00eda permitir a un atacante remoto no autenticado causar una recarga no esperada del dispositivo afectado, lo que provocar\u00eda una condici\u00f3n de denegaci\u00f3n de servicio (DoS). Esta vulnerabilidad es debido a que no es comprobado suficientemente la entrada durante el procesamiento de los paquetes CIP. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de un paquete CIP malformado a un dispositivo afectado. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante causar al dispositivo afectado recargarse inesperadamente, resultando en una condici\u00f3n de DoS"
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],
"id": "CVE-2022-20919",
"lastModified": "2024-11-21T06:43:48.977",
"metrics": {
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"tags": [
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"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-cip-dos-9rTbKLt9"
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}
Vulnerability from fkie_nvd
Published
2021-09-09 05:15
Modified
2024-11-21 06:11
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Summary
A vulnerability in the SSH Server process of Cisco IOS XR Software could allow an authenticated, remote attacker to overwrite and read arbitrary files on the local device. This vulnerability is due to insufficient input validation of arguments that are supplied by the user for a specific file transfer method. An attacker with lower-level privileges could exploit this vulnerability by specifying Secure Copy Protocol (SCP) parameters when authenticating to a device. A successful exploit could allow the attacker to elevate their privileges and retrieve and upload files on a device that they should not have access to.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | asr_9000v-v2 | - | |
| cisco | asr_9001 | - | |
| cisco | asr_9006 | - | |
| cisco | asr_9010 | - | |
| cisco | asr_9901 | - | |
| cisco | asr_9902 | - | |
| cisco | asr_9903 | - | |
| cisco | asr_9904 | - | |
| cisco | asr_9906 | - | |
| cisco | asr_9910 | - | |
| cisco | asr_9912 | - | |
| cisco | asr_9922 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ios_xrv | - | |
| cisco | ios_xrv_9000 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_520 | - | |
| cisco | ncs_540 | - | |
| cisco | ncs_540_fronthaul | - | |
| cisco | ncs_560-4 | - | |
| cisco | ncs_560-7 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_5001 | - | |
| cisco | ncs_5002 | - | |
| cisco | ncs_5011 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_4009 | - | |
| cisco | ncs_4016 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_5501 | - | |
| cisco | ncs_5501-se | - | |
| cisco | ncs_5502 | - | |
| cisco | ncs_5502-se | - | |
| cisco | ncs_5508 | - | |
| cisco | ncs_5516 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_6000 | - | |
| cisco | ncs_6008 | - | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ncs_1001 | - | |
| cisco | ncs_1002 | - | |
| cisco | ncs_1004 | - |
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Vulnerability from fkie_nvd
Published
2019-06-05 17:29
Modified
2024-11-21 04:37
Severity ?
Summary
A vulnerability in the Secure Shell (SSH) authentication function of Cisco IOS XR Software could allow an authenticated, remote attacker to successfully log in to an affected device using two distinct usernames. The vulnerability is due to a logic error that may occur when certain sequences of actions are processed during an SSH login event on the affected device. An attacker could exploit this vulnerability by initiating an SSH session to the device with a specific sequence that presents the two usernames. A successful exploit could result in logging data misrepresentation, user enumeration, or, in certain circumstances, a command authorization bypass. See the Details section for more information.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| ykramarz@cisco.com | http://www.securityfocus.com/bid/108687 | Third Party Advisory, VDB Entry | |
| ykramarz@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190605-iosxr-ssh | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/108687 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190605-iosxr-ssh | Vendor Advisory |
Impacted products
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Vulnerability from fkie_nvd
Published
2021-09-09 05:15
Modified
2024-11-21 06:11
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker with a low-privileged account to elevate privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2020-09-23 01:15
Modified
2024-11-21 05:31
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
Multiple vulnerabilities in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to either immediately crash the Internet Group Management Protocol (IGMP) process or make it consume available memory and eventually crash. The memory consumption may negatively impact other processes that are running on the device. These vulnerabilities are due to the incorrect handling of IGMP packets. An attacker could exploit these vulnerabilities by sending crafted IGMP traffic to an affected device. A successful exploit could allow the attacker to immediately crash the IGMP process or cause memory exhaustion, resulting in other processes becoming unstable. These processes may include, but are not limited to, interior and exterior routing protocols. Cisco will release software updates that address these vulnerabilities.
References
Impacted products
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}
Vulnerability from fkie_nvd
Published
2019-04-17 22:29
Modified
2024-11-21 04:37
Severity ?
Summary
A vulnerability in the TCP flags inspection feature for access control lists (ACLs) on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to bypass protection offered by a configured ACL on an affected device. The vulnerability is due to incorrect processing of the ACL applied to an interface of an affected device when Cisco Express Forwarding load balancing using the 3-tuple hash algorithm is enabled. An attacker could exploit this vulnerability by sending traffic through an affected device that should otherwise be denied by the configured ACL. An exploit could allow the attacker to bypass protection offered by a configured ACL on the affected device. There are workarounds that address this vulnerability. Affected Cisco IOS XR versions are: Cisco IOS XR Software Release 5.1.1 and later till first fixed. First Fixed Releases: 6.5.2 and later, 6.6.1 and later.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| ykramarz@cisco.com | http://www.securityfocus.com/bid/108026 | Third Party Advisory, VDB Entry | |
| ykramarz@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-iosxracl | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/108026 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-iosxracl | Vendor Advisory |
Impacted products
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"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the TCP flags inspection feature for access control lists (ACLs) on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to bypass protection offered by a configured ACL on an affected device. The vulnerability is due to incorrect processing of the ACL applied to an interface of an affected device when Cisco Express Forwarding load balancing using the 3-tuple hash algorithm is enabled. An attacker could exploit this vulnerability by sending traffic through an affected device that should otherwise be denied by the configured ACL. An exploit could allow the attacker to bypass protection offered by a configured ACL on the affected device. There are workarounds that address this vulnerability. Affected Cisco IOS XR versions are: Cisco IOS XR Software Release 5.1.1 and later till first fixed. First Fixed Releases: 6.5.2 and later, 6.6.1 and later."
},
{
"lang": "es",
"value": "Una vulnerabilidad en el indicador funci\u00f3n de inspecci\u00f3n de marcas TCP para listas de control de acceso (ACL) en ASR 9000 Series Aggregation Services de Cisco versi\u00f3n ASR 9000 Series podr\u00eda permitir que un atacante remoto no identificado omita la protecci\u00f3n ofrecida por una ACL configurada en un dispositivo afectado. La vulnerabilidad se debe a un procesamiento incorrecto de la ACL aplicada a una interfaz de un dispositivo afectado cuando se habilita el equilibrio de carga de Cisco Express Forwarding utilizando el algoritmo de hash de 3 tuplas. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando tr\u00e1fico por medio de un dispositivo afectado que, de lo contrario, deber\u00eda ser rechazado por la ACL configurada. Una operaci\u00f3n podr\u00eda permitir al atacante omitir la protecci\u00f3n ofrecida por una ACL configurada en el dispositivo afectado. Hay soluciones que abordan esta vulnerabilidad. Las versiones afectadas de Cisco IOS XR son: Cisco IOS XR Software Release versi\u00f3n 5.1.1 y posteriores hasta su primera reparaci\u00f3n. Primeros lanzamientos fijos: versi\u00f3n 6.5.2 y posteriores, versi\u00f3n 6.6.1 y posteriores."
}
],
"id": "CVE-2019-1686",
"lastModified": "2024-11-21T04:37:05.900",
"metrics": {
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{
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}
Vulnerability from fkie_nvd
Published
2019-07-06 02:15
Modified
2024-11-21 04:37
Severity ?
6.8 (Medium) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
5.9 (Medium) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
5.9 (Medium) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A vulnerability in the implementation of Border Gateway Protocol (BGP) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected system. The vulnerability is due to incorrect processing of certain BGP update messages. An attacker could exploit this vulnerability by sending BGP update messages that include a specific set of attributes to be processed by an affected system. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP traffic from explicitly defined peers only. To exploit this vulnerability, the malicious BGP update message would need to come from a configured, valid BGP peer or would need to be injected by the attacker into the victim's BGP network on an existing, valid TCP connection to a BGP peer.
References
Impacted products
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},
{
"lang": "es",
"value": "Una vulnerabilidad en la implementaci\u00f3n de la funcionalidad Border Gateway Protocol (BGP) en el software IOS XR de Cisco, podr\u00eda permitir a un atacante remoto no autenticado causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en un sistema afectado. La vulnerabilidad es debido al procesamiento incorrecto de ciertos mensajes de actualizaci\u00f3n de BGP. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo mensajes de actualizaci\u00f3n de BGP que incluyan un conjunto espec\u00edfico de atributos para ser procesados ??por un sistema afectado. Una operaci\u00f3n con \u00e9xito podr\u00eda permitir que el atacante cause que el proceso BGP se reinicie inesperadamente, resultando en una condici\u00f3n de DoS. La implementaci\u00f3n de BGP de Cisco acepta el tr\u00e1fico BGP entrante solamente de peers expl\u00edcitamente definidos. Para aprovechar esta vulnerabilidad, el mensaje malicioso de actualizaci\u00f3n de BGP deber\u00eda provenir de un peer BGP configurado y v\u00e1lido o el atacante necesitar\u00eda inyectarlo hacia la red de BGP de la v\u00edctima en una conexi\u00f3n TCP v\u00e1lida existente a un peer de BGP."
}
],
"id": "CVE-2019-1909",
"lastModified": "2024-11-21T04:37:39.967",
"metrics": {
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Vulnerability from fkie_nvd
Published
2017-09-29 01:34
Modified
2024-11-21 03:09
Severity ?
Summary
The DHCP relay subsystem of Cisco IOS 12.2 through 15.6 and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system. The attacker could also cause an affected system to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a buffer overflow condition in the DHCP relay subsystem of the affected software. An attacker could exploit this vulnerability by sending a crafted DHCP Version 4 (DHCPv4) packet to an affected system. A successful exploit could allow the attacker to execute arbitrary code and gain full control of the affected system or cause the affected system to reload, resulting in a DoS condition. Cisco Bug IDs: CSCsm45390, CSCuw77959.
References
Impacted products
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"type": "Secondary"
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]
}
Vulnerability from fkie_nvd
Published
2018-01-31 20:29
Modified
2024-11-21 03:37
Severity ?
Summary
A vulnerability in the IPv6 subsystem of Cisco IOS XR Software Release 5.3.4 for the Cisco Aggregation Services Router (ASR) 9000 Series could allow an unauthenticated, remote attacker to trigger a reload of one or more Trident-based line cards, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect handling of IPv6 packets with a fragment header extension. An attacker could exploit this vulnerability by sending IPv6 packets designed to trigger the issue either to or through the Trident-based line card. A successful exploit could allow the attacker to trigger a reload of Trident-based line cards, resulting in a DoS during the period of time the line card takes to restart. This vulnerability affects Cisco Aggregation Services Router (ASR) 9000 Series when the following conditions are met: The router is running Cisco IOS XR Software Release 5.3.4, and the router has installed Trident-based line cards that have IPv6 configured. A software maintenance upgrade (SMU) has been made available that addresses this vulnerability. The fix has also been incorporated into service pack 7 for Cisco IOS XR Software Release 5.3.4. Cisco Bug IDs: CSCvg46800.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| ykramarz@cisco.com | http://www.securityfocus.com/bid/102905 | Third Party Advisory, VDB Entry | |
| ykramarz@cisco.com | http://www.securitytracker.com/id/1040315 | Third Party Advisory, VDB Entry | |
| ykramarz@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180131-ipv6 | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/102905 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securitytracker.com/id/1040315 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180131-ipv6 | Patch, Vendor Advisory |
Impacted products
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Vulnerability from fkie_nvd
Published
2020-01-26 05:15
Modified
2024-11-21 04:29
Severity ?
Summary
A vulnerability in the implementation of the Intermediate System–to–Intermediate System (IS–IS) routing protocol functionality in Cisco IOS XR Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition in the IS–IS process. The vulnerability is due to improper handling of a Simple Network Management Protocol (SNMP) request for specific Object Identifiers (OIDs) by the IS–IS process. An attacker could exploit this vulnerability by sending a crafted SNMP request to the affected device. A successful exploit could allow the attacker to cause a DoS condition in the IS–IS process.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2018-03-28 22:29
Modified
2024-11-21 03:37
Severity ?
Summary
Multiple Buffer Overflow vulnerabilities in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. Cisco Bug IDs: CSCuo17183, CSCvd73487.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios | 5.2.0.base | |
| cisco | ios_xe | 5.2.0.base | |
| cisco | ios_xr | * | |
| cisco | asr_9001 | - | |
| cisco | asr_9006 | - | |
| cisco | asr_9010 | - | |
| cisco | asr_9904 | - | |
| cisco | asr_9906 | - | |
| cisco | asr_9910 | - | |
| cisco | asr_9912 | - | |
| cisco | asr_9922 | - | |
| cisco | ios | * | |
| cisco | ios_xe | * | |
| rockwellautomation | allen-bradley_stratix_5900 | - | |
| cisco | ios | * | |
| cisco | ios_xe | * | |
| rockwellautomation | allen-bradley_armorstratix_5700 | - | |
| rockwellautomation | allen-bradley_stratix_5400 | - | |
| rockwellautomation | allen-bradley_stratix_5410 | - | |
| rockwellautomation | allen-bradley_stratix_5700 | - | |
| rockwellautomation | allen-bradley_stratix_8000 | - | |
| cisco | ios | * | |
| cisco | ios_xe | * | |
| rockwellautomation | allen-bradley_stratix_8300 | - |
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"tags": [
"Third Party Advisory",
"US Government Resource"
],
"url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp"
}
],
"sourceIdentifier": "ykramarz@cisco.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"source": "ykramarz@cisco.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2022-04-15 15:15
Modified
2024-11-21 06:43
Severity ?
5.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
Multiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory.
References
Impacted products
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{
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{
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{
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{
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{
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"matchCriteriaId": "EACA55A5-4E73-4187-96BE-08E04F2C7659",
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{
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"matchCriteriaId": "8E31CB8F-60FF-4D03-BE8C-824ECE967797",
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},
{
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},
{
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},
{
"criteria": "cpe:2.3:h:cisco:cloud_services_router_1000v:-:*:*:*:*:*:*:*",
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},
{
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"matchCriteriaId": "D07773DC-24E0-4651-A98B-9CD54419F4D1",
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{
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],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Multiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory."
},
{
"lang": "es",
"value": "M\u00faltiples vulnerabilidades en el entorno de alojamiento de aplicaciones Cisco IOx en varias plataformas de Cisco podr\u00edan permitir a un atacante inyectar comandos arbitrarios en el sistema operativo del host subyacente, ejecutar c\u00f3digo arbitrario en el sistema operativo del host subyacente, instalar aplicaciones sin estar autenticado o conducir un ataque de tipo cross-site scripting (XSS) contra un usuario del software afectado. Para m\u00e1s informaci\u00f3n sobre estas vulnerabilidades, consulte la secci\u00f3n Details de este aviso"
}
],
"id": "CVE-2022-20677",
"lastModified": "2024-11-21T06:43:17.923",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.2,
"impactScore": 4.2,
"source": "ykramarz@cisco.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 0.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-04-15T15:15:12.413",
"references": [
{
"source": "ykramarz@cisco.com",
"tags": [
"Vendor Advisory"
],
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iox-yuXQ6hFj"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iox-yuXQ6hFj"
}
],
"sourceIdentifier": "ykramarz@cisco.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-22"
}
],
"source": "ykramarz@cisco.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-326"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2018-04-19 20:29
Modified
2024-11-21 03:37
Severity ?
Summary
A vulnerability in the UDP broadcast forwarding function of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on the affected device. The vulnerability is due to improper handling of UDP broadcast packets that are forwarded to an IPv4 helper address. An attacker could exploit this vulnerability by sending multiple UDP broadcast packets to the affected device. An exploit could allow the attacker to cause a buffer leak on the affected device, eventually resulting in a DoS condition requiring manual intervention to recover. This vulnerability affects all Cisco IOS XR platforms running 6.3.1, 6.2.3, or earlier releases of Cisco IOS XR Software when at least one IPv4 helper address is configured on an interface of the device. Cisco Bug IDs: CSCvi35625.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| ykramarz@cisco.com | http://www.securityfocus.com/bid/103929 | Third Party Advisory, VDB Entry | |
| ykramarz@cisco.com | http://www.securitytracker.com/id/1040710 | Third Party Advisory, VDB Entry | |
| ykramarz@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-iosxr | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/103929 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securitytracker.com/id/1040710 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-iosxr | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios_xr | 4.0.4.base | |
| cisco | ios_xr | 4.1.3.base | |
| cisco | ios_xr | 4.2.4.base | |
| cisco | ios_xr | 4.3.4.base | |
| cisco | ios_xr | 4.4.3.ce | |
| cisco | ios_xr | 5.0.3.ce | |
| cisco | ios_xr | 5.1.4.base | |
| cisco | ios_xr | 5.2.5.ce | |
| cisco | ios_xr | 5.3.4.base | |
| cisco | ios_xr | 5.4.3.ce | |
| cisco | ios_xr | 6.0.4.base | |
| cisco | ios_xr | 6.1.4.base | |
| cisco | ios_xr | 6.2.3.base | |
| cisco | asr_9001 | - | |
| cisco | asr_9006 | - | |
| cisco | asr_9010 | - | |
| cisco | asr_9904 | - | |
| cisco | asr_9906 | - | |
| cisco | asr_9910 | - | |
| cisco | asr_9912 | - | |
| cisco | asr_9922 | - |
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Vulnerability from fkie_nvd
Published
2020-02-05 18:15
Modified
2024-11-21 05:30
Severity ?
Summary
A vulnerability in the Cisco Discovery Protocol implementation for Cisco FXOS Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to a missing check when the affected software processes Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol packet to an affected device. A successful exploit could allow the attacker to exhaust system memory, causing the device to reload. Cisco Discovery Protocol is a Layer 2 protocol. To exploit this vulnerability, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).
References
Impacted products
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"source": "ykramarz@cisco.com",
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],
"cvssMetricV31": [
{
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"attackVector": "ADJACENT_NETWORK",
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"published": "2020-02-05T18:15:11.063",
"references": [
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"url": "http://packetstormsecurity.com/files/156203/Cisco-Discovery-Protocol-CDP-Remote-Device-Takeover.html"
},
{
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},
{
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},
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],
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"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
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"value": "CWE-190"
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],
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"type": "Secondary"
},
{
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{
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]
}
Vulnerability from fkie_nvd
Published
2020-01-26 05:15
Modified
2024-11-21 04:29
Severity ?
Summary
A vulnerability in the implementation of Border Gateway Protocol (BGP) Ethernet VPN (EVPN) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to incorrect processing of a BGP update message that contains crafted EVPN attributes. An attacker could indirectly exploit the vulnerability by sending BGP EVPN update messages with a specific, malformed attribute to an affected system and waiting for a user on the device to display the EVPN operational routes’ status. If successful, the attacker could cause the BGP process to restart unexpectedly, resulting in a DoS condition. The Cisco implementation of BGP accepts incoming BGP traffic only from explicitly defined peers. To exploit this vulnerability, the malicious BGP update message would need to come from a configured, valid BGP peer, or would need to be injected by the attacker into the victim's BGP network on an existing, valid TCP connection to a BGP peer.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2021-09-09 05:15
Modified
2024-11-21 06:11
Severity ?
7.4 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
7.4 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
7.4 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames that cause a spin loop that can make the network processors unresponsive. An attacker could exploit this vulnerability by sending specific types of Ethernet frames on the segment where the affected line cards are attached. A successful exploit could allow the attacker to cause the affected line card to reboot.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | ios_xr | * | |
| cisco | asr_9000 | - | |
| cisco | asr_9000v-v2 | - | |
| cisco | asr_9001 | - | |
| cisco | asr_9006 | - | |
| cisco | asr_9010 | - | |
| cisco | asr_9901 | - | |
| cisco | asr_9902 | - | |
| cisco | asr_9903 | - | |
| cisco | asr_9904 | - | |
| cisco | asr_9906 | - | |
| cisco | asr_9910 | - | |
| cisco | asr_9912 | - | |
| cisco | asr_9922 | - |
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Vulnerability from fkie_nvd
Published
2019-05-16 02:29
Modified
2024-11-21 04:37
Severity ?
7.4 (High) - CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
7.4 (High) - CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
7.4 (High) - CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
A vulnerability in the Multiprotocol Label Switching (MPLS) Operations, Administration, and Maintenance (OAM) implementation of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to trigger a denial of service (DoS) condition on an affected device. The vulnerability is due to the incorrect handling of certain MPLS OAM packets. An attacker could exploit this vulnerability by sending malicious MPLS OAM packets to an affected device. A successful exploit could allow the attacker to cause the lspv_server process to crash. The crash could lead to system instability and the inability to process or forward traffic though the device, resulting in a DoS condition that require manual intervention to restore normal operating conditions.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| ykramarz@cisco.com | http://www.securityfocus.com/bid/108363 | Third Party Advisory, VDB Entry | |
| ykramarz@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-asr9k-mpls-dos | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/108363 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-asr9k-mpls-dos | Vendor Advisory |
Impacted products
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"value": "Una vulnerabilidad en Multiprotocol Label Switching (MPLS) Operations, Administration, and Maintenance (OAM) implementation of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, podr\u00eda permitir que un atacante adyacente sin autorizaci\u00f3n active una condici\u00f3n de Denegaci\u00f3n de Servicio (DoS) en un dispositivo afectado. La vulnerabilidad es debido al manejo incorrecto de ciertos paquetes OAM de MPLS. Un atacante podr\u00eda explotar esta vulnerabilidad enviando paquetes MPLS OAM maliciosos a un dispositivo afectado. Una explotaci\u00f3n exito podr\u00eda permitir al atacante causar el bloqueo del proceso lspv_server. el bloqueo podr\u00eda provocar la inestabilidad del sistema y la incapacidad de procesar o reenviar el tr\u00e1fico por medio del dispositivo, resultando en una condici\u00f3n DoS que requiere de la intervenci\u00f3n manual para restablecer las condiciones normales de operaci\u00f3n."
}
],
"id": "CVE-2019-1846",
"lastModified": "2024-11-21T04:37:31.273",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 6.1,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 6.5,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 2.8,
"impactScore": 4.0,
"source": "ykramarz@cisco.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 2.8,
"impactScore": 4.0,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2019-05-16T02:29:00.437",
"references": [
{
"source": "ykramarz@cisco.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/108363"
},
{
"source": "ykramarz@cisco.com",
"tags": [
"Vendor Advisory"
],
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-asr9k-mpls-dos"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/108363"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-asr9k-mpls-dos"
}
],
"sourceIdentifier": "ykramarz@cisco.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "ykramarz@cisco.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}