Missing Authentication for Critical Function in Arista Extensible Operating System (EOS) - CVE-2024-27892

 

Missing Authentication for Critical Function in Arista Extensible Operating System (EOS) - CVE-2024-27892

Published: May 17, 2025


Vulnerability identifier: #VU109367
CSH Severity: Medium
CVSS v4: 7.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-27892
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to missing authorization checks. A remote user can send a gNMI Set request and apply unauthorized switch configuration.


Affected software

Arista Extensible Operating System (EOS)

How to mitigate CVE-2024-27892

Install updates from vendor's website.

Arista Extensible Operating System (EOS) - addressed in versions 4.28.11M, 4.29.8M, 4.30.6M, 4.31.3M

External References

Related Security Bulletins