SB2025052199 - Incorrect VLAN isolation in Arista EOS
Published: May 21, 2025
Security Bulletin ID
SB2025052199
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Protection Mechanism Failure (CVE-ID: CVE-2024-11185)
CWE-ID: CWE-693 - Protection Mechanism Failure
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient implementation of security measures. Ingress traffic on Layer 2 ports can be improperly forwarded to ports associated with different VLANs, resulting in a breach of VLAN isolation and segmentation boundaries.
Remediation
Install update from vendor's website.