Cleartext transmission of sensitive information in Arista Extensible Operating System (EOS) - CVE-2024-12378
Published: May 17, 2025
Vulnerability identifier: #VU109388
CSH Severity: Medium
CVSS v4: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N]
CVE-ID: CVE-2024-12378
CWE-ID: CWE-319
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to an error in Tunnelsec agent. Restarting the Tunnelsec agent will result in packets being sent over the secure Vxlan tunnels in the clear.
Affected software
Arista Extensible Operating System (EOS)
How to mitigate CVE-2024-12378
Install updates from vendor's website.
Arista Extensible Operating System (EOS) - addressed in versions 4.29.10M, 4.30.9M, 4.31.7M, 4.32.3M, 4.33.0F