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5.8 Medium

CVE-2024-20322 A vulnerability in the access control list (ACL) processing on Pseudowire interfaces in the ingress direction of Cisco…

Description

A vulnerability in the access control list (ACL) processing on Pseudowire interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to improper assignment of lookup keys to internal interface contexts. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to access resources behind the affected device that were supposed to be protected by a configured ACL.

Affected products and versions

Product Affected versions Fixed in
Cisco IOS XR Software 7.11.1 No fix stated
Cisco IOS XR Software 7.10.2 No fix stated
ios_xr_software 7.11.1 No fix stated

References

Timeline

  1. Published
  2. Last modified

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