cisco-sa-l2services-2mvHdNuC: Cisco IOS XR Software Network Convergence System Denial of Service Vulnerability
First published: Wed Sep 11 2024(Updated: )
A vulnerability in the handling of specific Ethernet frames by Cisco IOS XR Software for various Cisco Network Convergence System (NCS) platforms could allow an unauthenticated, adjacent attacker to cause critical priority packets to be dropped, resulting in a denial of service (DoS)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XRv 9000 |
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Reference Links
Frequently Asked Questions
What is the severity of cisco-sa-l2services-2mvHdNuC?
The severity of cisco-sa-l2services-2mvHdNuC is classified as critical due to the potential for denial of service.
What systems are affected by cisco-sa-l2services-2mvHdNuC?
Cisco IOS XR Software for various Cisco Network Convergence System (NCS) platforms is affected by cisco-sa-l2services-2mvHdNuC.
How do I fix cisco-sa-l2services-2mvHdNuC?
To fix cisco-sa-l2services-2mvHdNuC, apply the recommended security patches provided by Cisco for the affected IOS XR Software.
What type of attack can cisco-sa-l2services-2mvHdNuC prevent?
cisco-sa-l2services-2mvHdNuC addresses vulnerabilities that allow adjacent attackers to disrupt critical priority traffic, causing denial of service.
Can an authenticated user exploit cisco-sa-l2services-2mvHdNuC?
No, cisco-sa-l2services-2mvHdNuC can be exploited by unauthenticated, adjacent attackers.
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