7.4
High
CVE-2024-20312 A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) protocol of Cisco IOS Software and Cisco IOS…
Description
A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) protocol of Cisco IOS Software and Cisco IOS XE 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 input validation when parsing an ingress IS-IS packet. An attacker could exploit this vulnerability by sending a crafted IS-IS packet to an affected device after forming an adjacency. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition. Note: The IS-IS protocol is a routing protocol. To exploit this vulnerability, an attacker must be Layer 2-adjacent to the affected device and have formed an adjacency.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| IOS | Versions not published | |
| Cisco IOS XE Software 17.11 | 17.11.1a → 17.11.99SW | No fix stated |
| Cisco IOS XE Software 17.10 | 17.10.1a → 17.10.1 | No fix stated |
| Cisco IOS XE Software 17.9 | 17.9.1w → 17.9.3 | No fix stated |
| Cisco IOS XE Software 17.8 | 17.8.1a → 17.8.1 | No fix stated |
| Cisco IOS XE Software 17.7 | 17.7.1a → 17.7.2 | No fix stated |
| Cisco IOS XE Software 17.6 | 17.6.1w → 17.6.5 | No fix stated |
| Cisco IOS XE Software 17.5 | 17.5.1a → 17.5.1 | No fix stated |
| Cisco IOS XE Software 17.4 | 17.4.1a → 17.4.2 | No fix stated |
Show the 32 other branches Hide the 32 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco IOS XE Software 17.3 | 17.3.1w → 17.3.8 | No fix stated |
| Cisco IOS XE Software 17.2 | 17.2.1r → 17.2.3 | No fix stated |
| Cisco IOS XE Software 17.1 | 17.1.1s → 17.1.3 | No fix stated |
| Cisco IOS XE Software 16.12 | 16.12.1s → 16.12.10 | No fix stated |
| Cisco IOS XE Software 16.11 | 16.11.1s → 16.11.2 | No fix stated |
| Cisco IOS XE Software 16.10 | 16.10.1s → 16.10.3 | No fix stated |
| Cisco IOS XE Software 16.9 | 16.9.1s → 16.9.8 | No fix stated |
| Cisco IOS XE Software 16.8 | 16.8.1s → 16.8.3 | No fix stated |
| Cisco IOS XE Software 16.7 | 16.7.1a → 16.7.4 | No fix stated |
| Cisco IOS XE Software 16.6 | 16.6.1 → 16.6.10 | No fix stated |
| Cisco IOS XE Software 16.5 | 16.5.1a → 16.5.3 | No fix stated |
| Cisco IOS XE Software 16.4 | 16.4.1 → 16.4.3 | No fix stated |
| Cisco IOS XE Software 16.3 | 16.3.1a → 16.3.11 | No fix stated |
| Cisco IOS XE Software 16.2 | 16.2.1 → 16.2.2 | No fix stated |
| Cisco IOS XE Software 16.1 | 16.1.1 → 16.1.3 | No fix stated |
| Cisco IOS XE Software 3.18 | 3.18.0S → 3.18.9SP | No fix stated |
| Cisco IOS XE Software 3.17 | 3.17.0S → 3.17.4S | No fix stated |
| Cisco IOS XE Software 3.16 | 3.16.0S → 3.16.10S | No fix stated |
| Cisco IOS XE Software 3.15 | 3.15.0S → 3.15.4S | No fix stated |
| Cisco IOS XE Software 3.14 | 3.14.0S → 3.14.4S | No fix stated |
| Cisco IOS XE Software 3.13 | 3.13.0S → 3.13.10S | No fix stated |
| Cisco IOS XE Software 3.12 | 3.12.0S → 3.12.4S | No fix stated |
| Cisco IOS XE Software 3.11 | 3.11.0S → 3.11.9E | No fix stated |
| Cisco IOS XE Software 3.10 | 3.10.0S → 3.10.10S | No fix stated |
| Cisco IOS XE Software 3.9 | 3.9.0S → 3.9.2S | No fix stated |
| Cisco IOS XE Software 3.8 | 3.8.0S → 3.8.10E | No fix stated |
| Cisco IOS XE Software 3.7 | 3.7.0S → 3.7.7S | No fix stated |
| Cisco IOS XE Software 3.6 | 3.6.0E → 3.6.10E | No fix stated |
| Cisco IOS XE Software 3.5 | 3.5.0E → 3.5.3E | No fix stated |
| Cisco IOS XE Software 3.4 | 3.4.0SG → 3.4.8SG | No fix stated |
| Cisco IOS XE Software 3.3 | 3.3.0SE → 3.3.5SE | No fix stated |
| Cisco IOS XE Software 3.2 | 3.2.0SE → 3.2.3SE | No fix stated |
References
- cisco-sa-isis-sGjyOUHX sec.cloudapps.cisco.com
Timeline
- Published
- Last modified
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