VLAN Isolation Breach in Arista EOS Network Switches
CVE-2024-11185

6.5MEDIUM

Key Information:

Vendor

Arista Networks

Status
Eos
Vendor
CVE Published:
27 May 2025

What is CVE-2024-11185?

On platforms utilizing Arista EOS, a vulnerability exists that may cause ingress traffic on Layer 2 ports to be misdirected to ports on different VLANs. This misrouting can compromise the intended isolation and segmentation of network traffic, potentially exposing sensitive data to unauthorized access. Administrators should assess configurations to mitigate this risk effectively.

Affected Version(s)

EOS EOS 4.29.0 <= 4.29.10M

EOS EOS 4.30.0 <= 4.30.9M

EOS EOS 4.31.0 <= 4.31.6M

References

https://https://www.arista.com/en/support/advisories-noti...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2024-11185 : VLAN Isolation Breach in Arista EOS Network Switches