Input validation error in Arista Extensible Operating System (EOS) - CVE-2024-5872

 

Input validation error in Arista Extensible Operating System (EOS) - CVE-2024-5872

Published: May 17, 2025


Vulnerability identifier: #VU109380
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-5872
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when handling VLAN tags. A remote attacker on the local network can send packets with specially crafted VLAN tags and perform a denial of service (DoS) attack or cause incorrect control plane behavior.


Affected software

Arista Extensible Operating System (EOS)

How to mitigate CVE-2024-5872

Install updates from vendor's website.

Arista Extensible Operating System (EOS) - addressed in versions 4.28.12M, 4.29.9M, 4.30.8M, 4.31.5M, 4.32.3M, 4.33.0F

External References

Related Security Bulletins