CVE-2024-11185: On affected platforms running Arista EOS, ingress traffic on Layer 2 ports may, under certain conditions, be improperly forwarded to ports associated with different VLANs, resulting in a breach of VLAN isolation and segmentation boundaries.

Published May 27, 2025

Updated

On affected platforms running Arista EOS, ingress traffic on Layer 2 ports may, under certain conditions, be improperly forwarded to ports associated with different VLANs, resulting in a breach of VLAN isolation and segmentation boundaries.

Affected Software

1 affected component

Arista EOS

Remediation

Information

The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Arista recommends customers move to the latest version of each release that contains all the fixes listed below. For more information about upgrading see EOS User Manual: Upgrades and Downgrades https://www.arista.com/en/um-eos/eos-upgrades-and-downgrades CVE-2024-11185 has been fixed in the following releases: * 4.30.10M and later releases in the 4.30.x train * 4.31.7M and later releases in the 4.31.x train * 4.32.5M and later releases in the 4.32.x train * 4.33.2F and later releases in the 4.33.x train

Event History

May 27, 2025

CVE Published

via MITRE·10:11 PM

Data Sourced

via MITRE·10:11 PM

RemedyDescriptionSeverityWeakness

Data Sourced

via NVD·11:15 PM

DescriptionSeverity

Frequently Asked Questions

What is the severity of CVE-2024-11185?

CVE-2024-11185 has a high severity rating due to its potential to compromise VLAN isolation and segmentation.

How do I fix CVE-2024-11185?

To address CVE-2024-11185, update to the latest version of Arista EOS as recommended in the security advisory.

What are the potential impacts of CVE-2024-11185?

CVE-2024-11185 may result in unauthorized access to VLANs, leading to data breaches and other security issues.

Which platforms are affected by CVE-2024-11185?

CVE-2024-11185 affects devices running Arista EOS, specifically on Layer 2 ports.

Is there a specific configuration to check regarding CVE-2024-11185?

Yes, verify the configuration of Layer 2 port settings and VLAN assignments to ensure proper isolation.