All the vulnerabilites related to cisco - 4221
Vulnerability from fkie_nvd
Published
2019-09-25 20:15
Modified
2024-11-21 04:23
Severity ?
Summary
A vulnerability in the Ident protocol handler of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability exists because the affected software incorrectly handles memory structures, leading to a NULL pointer dereference. An attacker could exploit this vulnerability by opening a TCP connection to specific ports and sending traffic over that connection. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios_xe | fuji-16.7.1 | |
| cisco | ios_xe | fuji-16.8.1 | |
| cisco | 1100 | - | |
| cisco | 4221 | - | |
| cisco | 4321 | - | |
| cisco | 4351 | - | |
| cisco | 4431 | - | |
| cisco | 4451-x | - | |
| cisco | asr_1000 | - | |
| cisco | asr_1001-hx | - | |
| cisco | asr_1001-x | - | |
| cisco | asr_1002-hx | - | |
| cisco | asr_1002-x | - | |
| cisco | asr_900 | - | |
| cisco | asr_920-10sz-pd | - | |
| cisco | asr_920-12cz-a | - | |
| cisco | asr_920-12cz-d | - | |
| cisco | asr_920-12sz-im | - | |
| cisco | asr_920-24sz-im | - | |
| cisco | asr_920-24sz-m | - | |
| cisco | asr_920-24tz-m | - | |
| cisco | asr_920-4sz-a | - | |
| cisco | asr_920-4sz-d | - | |
| cisco | cloud_services_router_1000v | - | |
| cisco | ncs_4201 | - | |
| cisco | ncs_4202 | - | |
| cisco | ncs_4206 | - | |
| cisco | ncs_4216 | - | |
| cisco | network_convergence_system_520 | - |
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cve-2019-12647
Vulnerability from cvelistv5
Published
2019-09-25 20:05
Modified
2024-11-19 18:56
Severity ?
EPSS score ?
Summary
A vulnerability in the Ident protocol handler of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability exists because the affected software incorrectly handles memory structures, leading to a NULL pointer dereference. An attacker could exploit this vulnerability by opening a TCP connection to specific ports and sending traffic over that connection. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-identd-dos | vendor-advisory, x_refsource_CISCO |
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var-201909-0156
Vulnerability from variot
A vulnerability in the Ident protocol handler of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability exists because the affected software incorrectly handles memory structures, leading to a NULL pointer dereference. An attacker could exploit this vulnerability by opening a TCP connection to specific ports and sending traffic over that connection. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition. Both Cisco IOS and IOS XE are a set of operating systems developed by Cisco for its network equipment
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