CVE-2024-12378 – Arista EOS Unencrypted VxLAN Tunnel Exposure

The following table lists the changes that have been made to the
CVE-2024-12378 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]

    May. 08, 2025

    Action Type Old Value New Value
    Added Description On affected platforms running Arista EOS with secure Vxlan configured, restarting the Tunnelsec agent will result in packets being sent over the secure Vxlan tunnels in the clear.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    Added CWE CWE-319
    Added Reference https://www.arista.com/en/support/advisories-notices/security-advisory/21289-security-advisory-0113
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