CVE-2024-12378 CRITICAL

CVE-2024-12378: 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.

Vendor Arista Networks
Product CloudVision Portal
Weakness CWE-319 · Cleartext transmission
Published May 8, 2025
Last update May 8, 2025

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 8, 2025 CVE published
May 8, 2025 Record updated