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50 vulnerabilities found for Cisco Wireless LAN Controller (WLC) by Cisco
CVE-2025-20191 (GCVE-0-2025-20191)
Vulnerability from cvelistv5 – Published: 2025-05-07 17:18 – Updated: 2025-05-07 19:46
VLAI?
Summary
A vulnerability in the Switch Integrated Security Features (SISF) of Cisco IOS Software, Cisco IOS XE Software, Cisco NX-OS Software, and Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to the incorrect handling of DHCPv6 packets. An attacker could exploit this vulnerability by sending a crafted DHCPv6 packet to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Severity ?
7.4 (High)
CWE
- CWE-805 - Buffer Access with Incorrect Length Value
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco NX-OS Software |
Affected:
8.2(5)
Affected: 7.3(5)D1(1) Affected: 8.4(2) Affected: 8.4(3) Affected: 9.2(3) Affected: 9.2(2v) Affected: 7.3(4)D1(1) Affected: 8.2(1) Affected: 9.2(1) Affected: 9.2(2t) Affected: 9.2(3y) Affected: 7.0(3)I7(6z) Affected: 9.3(2) Affected: 7.0(3)I7(3z) Affected: 7.0(3)IM7(2) Affected: 7.0(3)I7(5a) Affected: 8.1(1) Affected: 8.2(2) Affected: 8.3(2) Affected: 7.3(2)D1(3a) Affected: 9.2(4) Affected: 8.1(2) Affected: 7.3(3)D1(1) Affected: 8.2(3) Affected: 7.0(3)I7(2) Affected: 7.0(3)I7(3) Affected: 8.4(1) Affected: 7.3(0)DX(1) Affected: 7.3(2)D1(1) Affected: 9.3(1) Affected: 7.0(3)I7(6) Affected: 7.3(2)D1(2) Affected: 8.2(4) Affected: 7.0(3)I7(4) Affected: 7.0(3)I7(7) Affected: 9.3(1z) Affected: 9.2(2) Affected: 8.1(2a) Affected: 7.3(2)D1(3) Affected: 7.0(3)I7(5) Affected: 7.0(3)I7(1) Affected: 7.0(3)IA7(2) Affected: 7.0(3)IA7(1) Affected: 8.3(1) Affected: 7.3(1)D1(1) Affected: 7.3(0)D1(1) Affected: 9.3(3) Affected: 7.3(2)D1(1d) Affected: 7.0(3)I7(8) Affected: 9.3(4) Affected: 7.3(6)D1(1) Affected: 8.2(6) Affected: 9.3(5) Affected: 7.0(3)I7(9) Affected: 9.3(6) Affected: 10.1(2) Affected: 10.1(1) Affected: 8.4(4) Affected: 7.3(7)D1(1) Affected: 9.3(5w) Affected: 8.2(7) Affected: 9.3(7) Affected: 9.3(7k) Affected: 7.0(3)I7(9w) Affected: 10.2(1) Affected: 7.3(8)D1(1) Affected: 9.3(7a) Affected: 8.2(7a) Affected: 9.3(8) Affected: 8.4(4a) Affected: 8.4(5) Affected: 7.0(3)I7(10) Affected: 8.2(8) Affected: 10.2(1q) Affected: 10.2(2) Affected: 9.3(9) Affected: 10.1(2t) Affected: 7.3(9)D1(1) Affected: 10.2(3) Affected: 8.4(6) Affected: 10.2(3t) Affected: 9.3(10) Affected: 10.2(2a) Affected: 8.2(9) Affected: 10.3(1) Affected: 10.2(4) Affected: 8.4(7) Affected: 10.3(2) Affected: 8.4(6a) Affected: 9.3(11) Affected: 10.3(3) Affected: 10.2(5) Affected: 8.2(10) Affected: 9.3(12) Affected: 10.2(3v) Affected: 10.4(1) Affected: 8.4(8) Affected: 10.3(99w) Affected: 10.2(6) Affected: 10.3(3w) Affected: 10.3(99x) Affected: 10.3(3o) Affected: 8.4(9) Affected: 10.3(4) Affected: 10.3(3p) Affected: 10.3(4a) Affected: 10.4(2) Affected: 10.3(3q) Affected: 9.3(13) Affected: 8.2(11) Affected: 10.3(5) Affected: 10.2(7) Affected: 10.4(3) Affected: 10.3(3x) Affected: 10.3(4g) Affected: 10.2(8) Affected: 10.3(3r) Affected: 9.3(14) Affected: 10.3(4h) |
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|
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"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the Switch Integrated Security Features (SISF) of Cisco IOS Software, Cisco IOS XE Software, Cisco NX-OS Software, and Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to the incorrect handling of DHCPv6 packets. An attacker could exploit this vulnerability by sending a crafted DHCPv6 packet to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"format": "cvssV3_1"
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CVE-2023-20251 (GCVE-0-2023-20251)
Vulnerability from cvelistv5 – Published: 2023-09-27 17:25 – Updated: 2024-08-02 09:05
VLAI?
Summary
A vulnerability in the memory buffer of Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause memory leaks that could eventually lead to a device reboot.
This vulnerability is due to memory leaks caused by multiple clients connecting under specific conditions. An attacker could exploit this vulnerability by causing multiple wireless clients to attempt to connect to an access point (AP) on an affected device. A successful exploit could allow the attacker to cause the affected device to reboot after a significant amount of time, resulting in a denial of service (DoS) condition.
Severity ?
6.1 (Medium)
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
8.10.162.0
Affected: 8.10.151.0 Affected: 8.10.171.0 Affected: 8.10.170.0 Affected: 8.10.181.0 Affected: 8.10.182.0 Affected: 8.10.183.0 Affected: 8.10.185.0 |
|||||||
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CVE-2022-20769 (GCVE-0-2022-20769)
Vulnerability from cvelistv5 – Published: 2022-09-30 18:45 – Updated: 2024-11-06 16:04
VLAI?
Summary
A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient error validation. An attacker could exploit this vulnerability by sending crafted packets to an affected device. A successful exploit could allow the attacker to cause the wireless LAN controller to crash, resulting in a DoS condition. Note: This vulnerability affects only devices that have Federal Information Processing Standards (FIPS) mode enabled.
Severity ?
7.4 (High)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
n/a
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CVE-2022-20695 (GCVE-0-2022-20695)
Vulnerability from cvelistv5 – Published: 2022-04-15 14:15 – Updated: 2024-11-06 16:26
VLAI?
Summary
A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to bypass authentication controls and log in to the device through the management interface This vulnerability is due to the improper implementation of the password validation algorithm. An attacker could exploit this vulnerability by logging in to an affected device with crafted credentials. A successful exploit could allow the attacker to bypass authentication and log in to the device as an administrator. The attacker could obtain privileges that are the same level as an administrative user but it depends on the crafted credentials. Note: This vulnerability exists because of a non-default device configuration that must be present for it to be exploitable. For details about the vulnerable configuration, see the Vulnerable Products section of this advisory.
Severity ?
10 (Critical)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
n/a
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CVE-2021-1419 (GCVE-0-2021-1419)
Vulnerability from cvelistv5 – Published: 2021-09-23 02:30 – Updated: 2024-11-07 21:52
VLAI?
Summary
A vulnerability in the SSH management feature of multiple Cisco Access Points (APs) platforms could allow a local, authenticated user to modify files on the affected device and possibly gain escalated privileges. The vulnerability is due to improper checking on file operations within the SSH management interface. A network administrator user could exploit this vulnerability by accessing an affected device through SSH management to make a configuration change. A successful exploit could allow the attacker to gain privileges equivalent to the root user.
Severity ?
7.8 (High)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
n/a
|
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CVE-2020-3492 (GCVE-0-2020-3492)
Vulnerability from cvelistv5 – Published: 2020-09-24 17:52 – Updated: 2024-11-13 17:59
VLAI?
Summary
A vulnerability in the Flexible NetFlow Version 9 packet processor of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers and Cisco AireOS Software for Cisco Wireless LAN Controllers (WLC) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient validation of certain parameters in a Flexible NetFlow Version 9 record. An attacker could exploit this vulnerability by spoofing the address of an existing Access Point on the network and sending a Control and Provisioning of Wireless Access Points (CAPWAP) packet that includes a crafted Flexible NetFlow Version 9 record to an affected device. A successful exploit could allow the attacker to cause a process crash that would lead to a reload of the device.
Severity ?
8.6 (High)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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Impacted products
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|---|---|---|---|---|
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Affected:
n/a
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CVE-2020-3273 (GCVE-0-2020-3273)
Vulnerability from cvelistv5 – Published: 2020-04-15 20:11 – Updated: 2024-11-15 17:28
VLAI?
Summary
A vulnerability in the 802.11 Generic Advertisement Service (GAS) frame processing function of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS). The vulnerability is due to incomplete input validation of the 802.11 GAS frames that are processed by an affected device. An attacker could exploit this vulnerability by sending a crafted 802.11 GAS frame over the air to an access point (AP), and that frame would then be relayed to the affected WLC. Also, an attacker with Layer 3 connectivity to the WLC could exploit this vulnerability by sending a malicious 802.11 GAS payload in a Control and Provisioning of Wireless Access Points (CAPWAP) packet to the device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS.
Severity ?
8.6 (High)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
n/a
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CVE-2019-15276 (GCVE-0-2019-15276)
Vulnerability from cvelistv5 – Published: 2019-11-26 03:12 – Updated: 2024-11-21 19:05
VLAI?
Summary
A vulnerability in the web interface of Cisco Wireless LAN Controller Software could allow a low-privileged, authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability exists due to a failure of the HTTP parsing engine to handle specially crafted URLs. An attacker could exploit this vulnerability by authenticating with low privileges to an affected controller and submitting the crafted URL to the web interface of the affected device. Conversely, an unauthenticated attacker could exploit this vulnerability by persuading a user of the web interface to click the crafted URL. A successful exploit could allow the attacker to cause an unexpected restart of the device, resulting in a DoS condition.
Severity ?
7.7 (High)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
unspecified , < n/a
(custom)
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CVE-2019-15266 (GCVE-0-2019-15266)
Vulnerability from cvelistv5 – Published: 2019-10-16 18:36 – Updated: 2024-11-21 19:07
VLAI?
Summary
A vulnerability in the CLI of Cisco Wireless LAN Controller (WLC) Software could allow an authenticated, local attacker to view system files that should be restricted. This vulnerability is due to improper sanitization of user-supplied input in command-line parameters that describe filenames. An attacker could exploit this vulnerability by using directory traversal techniques to submit a path to a desired file location. A successful exploit could allow the attacker to view system files that may contain sensitive information.
Severity ?
4.4 (Medium)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
unspecified , < n/a
(custom)
|
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CVE-2019-15262 (GCVE-0-2019-15262)
Vulnerability from cvelistv5 – Published: 2019-10-16 18:36 – Updated: 2024-11-19 18:52
VLAI?
Summary
A vulnerability in the Secure Shell (SSH) session management for Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability exists because the SSH process is not properly deleted when an SSH connection to the device is disconnected. An attacker could exploit this vulnerability by repeatedly opening SSH connections to an affected device. A successful exploit could allow the attacker to exhaust system resources by initiating multiple SSH connections to the device that are not effectively terminated, which could result in a DoS condition.
Severity ?
8.6 (High)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
unspecified , < n/a
(custom)
|
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CVE-2019-1830 (GCVE-0-2019-1830)
Vulnerability from cvelistv5 – Published: 2019-04-18 01:15 – Updated: 2024-11-21 19:37
VLAI?
Summary
A vulnerability in Locally Significant Certificate (LSC) management for the Cisco Wireless LAN Controller (WLC) could allow an authenticated, remote attacker to cause the device to unexpectedly restart, which causes a denial of service (DoS) condition. The attacker would need to have valid administrator credentials. The vulnerability is due to incorrect input validation of the HTTP URL used to establish a connection to the LSC Certificate Authority (CA). An attacker could exploit this vulnerability by authenticating to the targeted device and configuring a LSC certificate. An exploit could allow the attacker to cause a DoS condition due to an unexpected restart of the device.
Severity ?
4.9 (Medium)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
8.3
|
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CVE-2019-1805 (GCVE-0-2019-1805)
Vulnerability from cvelistv5 – Published: 2019-04-18 01:10 – Updated: 2024-11-21 19:37
VLAI?
Summary
A vulnerability in certain access control mechanisms for the Secure Shell (SSH) server implementation for Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, adjacent attacker to access a CLI instance on an affected device. The vulnerability is due to a lack of proper input- and validation-checking mechanisms for inbound SSH connections on an affected device. An attacker could exploit this vulnerability by attempting to establish an SSH connection to an affected controller. An exploit could allow the attacker to access an affected device's CLI to potentially cause further attacks. This vulnerability has been fixed in version 8.5(140.0).
Severity ?
5.4 (Medium)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
unspecified , < 8.5(140.0)
(custom)
|
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CVE-2019-1797 (GCVE-0-2019-1797)
Vulnerability from cvelistv5 – Published: 2019-04-18 01:05 – Updated: 2024-11-21 19:37
VLAI?
Summary
A vulnerability in the web-based management interface of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack and perform arbitrary actions on the device with the privileges of the user, including modifying the device configuration. The vulnerability is due to insufficient CSRF protections for the web-based management interface of an affected device. An attacker could exploit this vulnerability by persuading an interface user to follow a crafted link. A successful exploit could allow the attacker to perform arbitrary actions on the device with the privileges of the user. Software versions prior to 8.3.150.0, 8.5.135.0, and 8.8.100.0 are affected.
Severity ?
8.1 (High)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
unspecified , < 8.3.150.0
(custom)
Affected: unspecified , < 8.5.135.0 (custom) Affected: unspecified , < 8.8.100.0 (custom) |
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CVE-2019-1800 (GCVE-0-2019-1800)
Vulnerability from cvelistv5 – Published: 2019-04-18 01:00 – Updated: 2024-11-21 19:38
VLAI?
Summary
A vulnerability in the handling of Inter-Access Point Protocol (IAPP) messages by Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability exist because the software improperly validates input on fields within IAPP messages. An attacker could exploit the vulnerability by sending malicious IAPP messages to an affected device. A successful exploit could allow the attacker to cause the Cisco WLC Software to reload, resulting in a DoS condition. Software versions prior to 8.2.170.0, 8.5.150.0, and 8.8.100.0 are affected.
Severity ?
7.4 (High)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
unspecified , < 8.2.170.0
(custom)
Affected: unspecified , < 8.3.150.0 (custom) Affected: unspecified , < 8.8.100.0 (custom) |
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CVE-2019-1796 (GCVE-0-2019-1796)
Vulnerability from cvelistv5 – Published: 2019-04-18 00:45 – Updated: 2024-11-21 19:38
VLAI?
Summary
A vulnerability in the handling of Inter-Access Point Protocol (IAPP) messages by Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability exist because the software improperly validates input on fields within IAPP messages. An attacker could exploit the vulnerability by sending malicious IAPP messages to an affected device. A successful exploit could allow the attacker to cause the Cisco WLC Software to reload, resulting in a DoS condition. Software versions prior to 8.2.170.0, 8.5.150.0, and 8.8.100.0 are affected.
Severity ?
7.4 (High)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
unspecified , < 8.2.170.0
(custom)
Affected: unspecified , < 8.3.150.0 (custom) Affected: unspecified , < 8.8.100.0 (custom) |
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CVE-2025-20191 (GCVE-0-2025-20191)
Vulnerability from nvd – Published: 2025-05-07 17:18 – Updated: 2025-05-07 19:46
VLAI?
Summary
A vulnerability in the Switch Integrated Security Features (SISF) of Cisco IOS Software, Cisco IOS XE Software, Cisco NX-OS Software, and Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to the incorrect handling of DHCPv6 packets. An attacker could exploit this vulnerability by sending a crafted DHCPv6 packet to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Severity ?
7.4 (High)
CWE
- CWE-805 - Buffer Access with Incorrect Length Value
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco NX-OS Software |
Affected:
8.2(5)
Affected: 7.3(5)D1(1) Affected: 8.4(2) Affected: 8.4(3) Affected: 9.2(3) Affected: 9.2(2v) Affected: 7.3(4)D1(1) Affected: 8.2(1) Affected: 9.2(1) Affected: 9.2(2t) Affected: 9.2(3y) Affected: 7.0(3)I7(6z) Affected: 9.3(2) Affected: 7.0(3)I7(3z) Affected: 7.0(3)IM7(2) Affected: 7.0(3)I7(5a) Affected: 8.1(1) Affected: 8.2(2) Affected: 8.3(2) Affected: 7.3(2)D1(3a) Affected: 9.2(4) Affected: 8.1(2) Affected: 7.3(3)D1(1) Affected: 8.2(3) Affected: 7.0(3)I7(2) Affected: 7.0(3)I7(3) Affected: 8.4(1) Affected: 7.3(0)DX(1) Affected: 7.3(2)D1(1) Affected: 9.3(1) Affected: 7.0(3)I7(6) Affected: 7.3(2)D1(2) Affected: 8.2(4) Affected: 7.0(3)I7(4) Affected: 7.0(3)I7(7) Affected: 9.3(1z) Affected: 9.2(2) Affected: 8.1(2a) Affected: 7.3(2)D1(3) Affected: 7.0(3)I7(5) Affected: 7.0(3)I7(1) Affected: 7.0(3)IA7(2) Affected: 7.0(3)IA7(1) Affected: 8.3(1) Affected: 7.3(1)D1(1) Affected: 7.3(0)D1(1) Affected: 9.3(3) Affected: 7.3(2)D1(1d) Affected: 7.0(3)I7(8) Affected: 9.3(4) Affected: 7.3(6)D1(1) Affected: 8.2(6) Affected: 9.3(5) Affected: 7.0(3)I7(9) Affected: 9.3(6) Affected: 10.1(2) Affected: 10.1(1) Affected: 8.4(4) Affected: 7.3(7)D1(1) Affected: 9.3(5w) Affected: 8.2(7) Affected: 9.3(7) Affected: 9.3(7k) Affected: 7.0(3)I7(9w) Affected: 10.2(1) Affected: 7.3(8)D1(1) Affected: 9.3(7a) Affected: 8.2(7a) Affected: 9.3(8) Affected: 8.4(4a) Affected: 8.4(5) Affected: 7.0(3)I7(10) Affected: 8.2(8) Affected: 10.2(1q) Affected: 10.2(2) Affected: 9.3(9) Affected: 10.1(2t) Affected: 7.3(9)D1(1) Affected: 10.2(3) Affected: 8.4(6) Affected: 10.2(3t) Affected: 9.3(10) Affected: 10.2(2a) Affected: 8.2(9) Affected: 10.3(1) Affected: 10.2(4) Affected: 8.4(7) Affected: 10.3(2) Affected: 8.4(6a) Affected: 9.3(11) Affected: 10.3(3) Affected: 10.2(5) Affected: 8.2(10) Affected: 9.3(12) Affected: 10.2(3v) Affected: 10.4(1) Affected: 8.4(8) Affected: 10.3(99w) Affected: 10.2(6) Affected: 10.3(3w) Affected: 10.3(99x) Affected: 10.3(3o) Affected: 8.4(9) Affected: 10.3(4) Affected: 10.3(3p) Affected: 10.3(4a) Affected: 10.4(2) Affected: 10.3(3q) Affected: 9.3(13) Affected: 8.2(11) Affected: 10.3(5) Affected: 10.2(7) Affected: 10.4(3) Affected: 10.3(3x) Affected: 10.3(4g) Affected: 10.2(8) Affected: 10.3(3r) Affected: 9.3(14) Affected: 10.3(4h) |
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|
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],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the Switch Integrated Security Features (SISF) of Cisco IOS Software, Cisco IOS XE Software, Cisco NX-OS Software, and Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to the incorrect handling of DHCPv6 packets. An attacker could exploit this vulnerability by sending a crafted DHCPv6 packet to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
}
],
"metrics": [
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"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-805",
"description": "Buffer Access with Incorrect Length Value",
"lang": "en",
"type": "cwe"
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}
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"providerMetadata": {
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"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-sisf-dos-ZGwt4DdY",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sisf-dos-ZGwt4DdY"
}
],
"source": {
"advisory": "cisco-sa-sisf-dos-ZGwt4DdY",
"defects": [
"CSCvq14413"
],
"discovery": "EXTERNAL"
},
"title": "Multiple Cisco Products Denial of Service Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2025-20191",
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CVE-2023-20251 (GCVE-0-2023-20251)
Vulnerability from nvd – Published: 2023-09-27 17:25 – Updated: 2024-08-02 09:05
VLAI?
Summary
A vulnerability in the memory buffer of Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause memory leaks that could eventually lead to a device reboot.
This vulnerability is due to memory leaks caused by multiple clients connecting under specific conditions. An attacker could exploit this vulnerability by causing multiple wireless clients to attempt to connect to an access point (AP) on an affected device. A successful exploit could allow the attacker to cause the affected device to reboot after a significant amount of time, resulting in a denial of service (DoS) condition.
Severity ?
6.1 (Medium)
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
8.10.162.0
Affected: 8.10.151.0 Affected: 8.10.171.0 Affected: 8.10.170.0 Affected: 8.10.181.0 Affected: 8.10.182.0 Affected: 8.10.183.0 Affected: 8.10.185.0 |
|||||||
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CVE-2022-20769 (GCVE-0-2022-20769)
Vulnerability from nvd – Published: 2022-09-30 18:45 – Updated: 2024-11-06 16:04
VLAI?
Summary
A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient error validation. An attacker could exploit this vulnerability by sending crafted packets to an affected device. A successful exploit could allow the attacker to cause the wireless LAN controller to crash, resulting in a DoS condition. Note: This vulnerability affects only devices that have Federal Information Processing Standards (FIPS) mode enabled.
Severity ?
7.4 (High)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
n/a
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CVE-2022-20695 (GCVE-0-2022-20695)
Vulnerability from nvd – Published: 2022-04-15 14:15 – Updated: 2024-11-06 16:26
VLAI?
Summary
A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to bypass authentication controls and log in to the device through the management interface This vulnerability is due to the improper implementation of the password validation algorithm. An attacker could exploit this vulnerability by logging in to an affected device with crafted credentials. A successful exploit could allow the attacker to bypass authentication and log in to the device as an administrator. The attacker could obtain privileges that are the same level as an administrative user but it depends on the crafted credentials. Note: This vulnerability exists because of a non-default device configuration that must be present for it to be exploitable. For details about the vulnerable configuration, see the Vulnerable Products section of this advisory.
Severity ?
10 (Critical)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
n/a
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CVE-2021-1419 (GCVE-0-2021-1419)
Vulnerability from nvd – Published: 2021-09-23 02:30 – Updated: 2024-11-07 21:52
VLAI?
Summary
A vulnerability in the SSH management feature of multiple Cisco Access Points (APs) platforms could allow a local, authenticated user to modify files on the affected device and possibly gain escalated privileges. The vulnerability is due to improper checking on file operations within the SSH management interface. A network administrator user could exploit this vulnerability by accessing an affected device through SSH management to make a configuration change. A successful exploit could allow the attacker to gain privileges equivalent to the root user.
Severity ?
7.8 (High)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
n/a
|
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CVE-2020-3492 (GCVE-0-2020-3492)
Vulnerability from nvd – Published: 2020-09-24 17:52 – Updated: 2024-11-13 17:59
VLAI?
Summary
A vulnerability in the Flexible NetFlow Version 9 packet processor of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers and Cisco AireOS Software for Cisco Wireless LAN Controllers (WLC) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient validation of certain parameters in a Flexible NetFlow Version 9 record. An attacker could exploit this vulnerability by spoofing the address of an existing Access Point on the network and sending a Control and Provisioning of Wireless Access Points (CAPWAP) packet that includes a crafted Flexible NetFlow Version 9 record to an affected device. A successful exploit could allow the attacker to cause a process crash that would lead to a reload of the device.
Severity ?
8.6 (High)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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Impacted products
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|---|---|---|---|---|
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Affected:
n/a
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CVE-2020-3273 (GCVE-0-2020-3273)
Vulnerability from nvd – Published: 2020-04-15 20:11 – Updated: 2024-11-15 17:28
VLAI?
Summary
A vulnerability in the 802.11 Generic Advertisement Service (GAS) frame processing function of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS). The vulnerability is due to incomplete input validation of the 802.11 GAS frames that are processed by an affected device. An attacker could exploit this vulnerability by sending a crafted 802.11 GAS frame over the air to an access point (AP), and that frame would then be relayed to the affected WLC. Also, an attacker with Layer 3 connectivity to the WLC could exploit this vulnerability by sending a malicious 802.11 GAS payload in a Control and Provisioning of Wireless Access Points (CAPWAP) packet to the device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS.
Severity ?
8.6 (High)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
n/a
|
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CVE-2019-15276 (GCVE-0-2019-15276)
Vulnerability from nvd – Published: 2019-11-26 03:12 – Updated: 2024-11-21 19:05
VLAI?
Summary
A vulnerability in the web interface of Cisco Wireless LAN Controller Software could allow a low-privileged, authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability exists due to a failure of the HTTP parsing engine to handle specially crafted URLs. An attacker could exploit this vulnerability by authenticating with low privileges to an affected controller and submitting the crafted URL to the web interface of the affected device. Conversely, an unauthenticated attacker could exploit this vulnerability by persuading a user of the web interface to click the crafted URL. A successful exploit could allow the attacker to cause an unexpected restart of the device, resulting in a DoS condition.
Severity ?
7.7 (High)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
unspecified , < n/a
(custom)
|
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CVE-2019-15266 (GCVE-0-2019-15266)
Vulnerability from nvd – Published: 2019-10-16 18:36 – Updated: 2024-11-21 19:07
VLAI?
Summary
A vulnerability in the CLI of Cisco Wireless LAN Controller (WLC) Software could allow an authenticated, local attacker to view system files that should be restricted. This vulnerability is due to improper sanitization of user-supplied input in command-line parameters that describe filenames. An attacker could exploit this vulnerability by using directory traversal techniques to submit a path to a desired file location. A successful exploit could allow the attacker to view system files that may contain sensitive information.
Severity ?
4.4 (Medium)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
unspecified , < n/a
(custom)
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CVE-2019-15262 (GCVE-0-2019-15262)
Vulnerability from nvd – Published: 2019-10-16 18:36 – Updated: 2024-11-19 18:52
VLAI?
Summary
A vulnerability in the Secure Shell (SSH) session management for Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability exists because the SSH process is not properly deleted when an SSH connection to the device is disconnected. An attacker could exploit this vulnerability by repeatedly opening SSH connections to an affected device. A successful exploit could allow the attacker to exhaust system resources by initiating multiple SSH connections to the device that are not effectively terminated, which could result in a DoS condition.
Severity ?
8.6 (High)
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
unspecified , < n/a
(custom)
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CVE-2019-1830 (GCVE-0-2019-1830)
Vulnerability from nvd – Published: 2019-04-18 01:15 – Updated: 2024-11-21 19:37
VLAI?
Summary
A vulnerability in Locally Significant Certificate (LSC) management for the Cisco Wireless LAN Controller (WLC) could allow an authenticated, remote attacker to cause the device to unexpectedly restart, which causes a denial of service (DoS) condition. The attacker would need to have valid administrator credentials. The vulnerability is due to incorrect input validation of the HTTP URL used to establish a connection to the LSC Certificate Authority (CA). An attacker could exploit this vulnerability by authenticating to the targeted device and configuring a LSC certificate. An exploit could allow the attacker to cause a DoS condition due to an unexpected restart of the device.
Severity ?
4.9 (Medium)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
8.3
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CVE-2019-1805 (GCVE-0-2019-1805)
Vulnerability from nvd – Published: 2019-04-18 01:10 – Updated: 2024-11-21 19:37
VLAI?
Summary
A vulnerability in certain access control mechanisms for the Secure Shell (SSH) server implementation for Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, adjacent attacker to access a CLI instance on an affected device. The vulnerability is due to a lack of proper input- and validation-checking mechanisms for inbound SSH connections on an affected device. An attacker could exploit this vulnerability by attempting to establish an SSH connection to an affected controller. An exploit could allow the attacker to access an affected device's CLI to potentially cause further attacks. This vulnerability has been fixed in version 8.5(140.0).
Severity ?
5.4 (Medium)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
unspecified , < 8.5(140.0)
(custom)
|
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CVE-2019-1797 (GCVE-0-2019-1797)
Vulnerability from nvd – Published: 2019-04-18 01:05 – Updated: 2024-11-21 19:37
VLAI?
Summary
A vulnerability in the web-based management interface of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack and perform arbitrary actions on the device with the privileges of the user, including modifying the device configuration. The vulnerability is due to insufficient CSRF protections for the web-based management interface of an affected device. An attacker could exploit this vulnerability by persuading an interface user to follow a crafted link. A successful exploit could allow the attacker to perform arbitrary actions on the device with the privileges of the user. Software versions prior to 8.3.150.0, 8.5.135.0, and 8.8.100.0 are affected.
Severity ?
8.1 (High)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
unspecified , < 8.3.150.0
(custom)
Affected: unspecified , < 8.5.135.0 (custom) Affected: unspecified , < 8.8.100.0 (custom) |
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CVE-2019-1800 (GCVE-0-2019-1800)
Vulnerability from nvd – Published: 2019-04-18 01:00 – Updated: 2024-11-21 19:38
VLAI?
Summary
A vulnerability in the handling of Inter-Access Point Protocol (IAPP) messages by Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability exist because the software improperly validates input on fields within IAPP messages. An attacker could exploit the vulnerability by sending malicious IAPP messages to an affected device. A successful exploit could allow the attacker to cause the Cisco WLC Software to reload, resulting in a DoS condition. Software versions prior to 8.2.170.0, 8.5.150.0, and 8.8.100.0 are affected.
Severity ?
7.4 (High)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
unspecified , < 8.2.170.0
(custom)
Affected: unspecified , < 8.3.150.0 (custom) Affected: unspecified , < 8.8.100.0 (custom) |
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CVE-2019-1796 (GCVE-0-2019-1796)
Vulnerability from nvd – Published: 2019-04-18 00:45 – Updated: 2024-11-21 19:38
VLAI?
Summary
A vulnerability in the handling of Inter-Access Point Protocol (IAPP) messages by Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability exist because the software improperly validates input on fields within IAPP messages. An attacker could exploit the vulnerability by sending malicious IAPP messages to an affected device. A successful exploit could allow the attacker to cause the Cisco WLC Software to reload, resulting in a DoS condition. Software versions prior to 8.2.170.0, 8.5.150.0, and 8.8.100.0 are affected.
Severity ?
7.4 (High)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
Affected:
unspecified , < 8.2.170.0
(custom)
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