SB2025051722 - Incorrect handling of VLAN tags in Arista EOS



SB2025051722 - Incorrect handling of VLAN tags in Arista EOS

Published: May 17, 2025

Security Bulletin ID SB2025051722
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2024-5872)

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.


Remediation

Install update from vendor's website.