Dynamic ACL Installation Issue in Arista EOS with 802.1X Configuration
CVE-2024-8000

5.3MEDIUM

Key Information:

Vendor

Arista Networks

Status
Eos
Vendor
CVE Published:
4 March 2025

What is CVE-2024-8000?

In Arista EOS platforms configured with 802.1X, a vulnerability exists that affects the installation of dynamic Access Control Lists (ACLs) sourced from the AAA server. After an Accelerated Software Upgrade (ASU) restart, only the first line of the received ACL may be installed. This issue particularly impacts supplicants that have pending captive-portal authentication during the ASU process, posing a risk to correct network access control and security enforcement.

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Affected Version(s)

EOS 4.32.0 <= 4.32.4M

EOS 4.31.0 <= 4.31.5M

EOS 4.30.0 <= 4.30.8M

References

https://www.arista.com/en/support/advisories-notices/secu...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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