CVE-2024-6437 – Arista EOS Traffic Policy Redirect Bypass Vulnerability

The following table lists the changes that have been made to the
CVE-2024-6437 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Jan. 10, 2025

    Action Type Old Value New Value
    Added Description On affected platforms running Arista EOS with one of the following features configured to redirect IP traffic to a next hop: policy-based routing (PBR), BGP Flowspec, or interface traffic policy — certain IP traffic such as IPv4 packets with IP options may bypass the feature’s set nexthop action and be slow-path forwarded (FIB routed) by the kernel as the packets are trapped to the CPU instead of following the redirect action’s destination.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
    Added Reference https://www.arista.com/en/support/advisories-notices/security-advisory/20689-security-advisory-0108
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