Cisco IOS XR Software Vulnerability Could Lead to Denial of Service

CVE-2024-20317

What is CVE-2024-20317?

A significant vulnerability has been identified in the processing of specific Ethernet frames by Cisco IOS XR Software utilized in various Cisco Network Convergence System (NCS) platforms. This flaw allows an unauthorized adjacent attacker to send specially crafted Ethernet frames, potentially leading to the dropping of high-priority packets. As a consequence, critical control plane protocol relationships may fail, resulting in a denial of service (DoS) condition. Cisco has acknowledged the issue and released software updates to rectify this vulnerability. No workarounds are available to mitigate the risk associated with it.

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