On affected platforms running Arista EOS with 802.1X configured, certain conditions may occur where a dynamic ACL is received from the AAA server resulting in only the first line of the ACL being installed after an Accelerated Software Upgrade (ASU) restart

CVE Details

Basic Information

Title On affected platforms running Arista EOS with 802.1X configured, certain conditions may occur where a dynamic ACL is received from the AAA server resulting in only the first line of the ACL being installed after an Accelerated Software Upgrade (ASU) restart
Type cve
Published 2025-03-04T20:20:53.517Z
Modified 2025-03-04T20:33:37.805Z

Product Information

Vendor Arista Networks
Product EOS
Version 4.32.0

CVSS Information

Base Score 5.3 (MEDIUM)
Attack Vector CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

AI Analysis

AI Description A vulnerability in Arista EOS affects platforms with 802.1X configuration, causing only the first line of a dynamic ACL to be installed after an ASU restart. This impacts network access control and may affect users during captive-portal authentication.
AI Severity High
AI Vendor Arista Networks
AI Product EOS
AI Version 4.32.0, 4.31.0, 4.30.0

Affected Products

  • Arista Networks EOS 4.32.0
  • Arista Networks EOS 4.31.0
  • Arista Networks EOS 4.30.0

Additional Information

CWE List CWE-1284
Source Arista

Description

On affected platforms running Arista EOS with 802.1X configured, certain conditions may occur where a dynamic ACL is received from the AAA server resulting in only the first line of the ACL being installed after an Accelerated Software Upgrade (ASU) restart.

Note: supplicants with pending captive-portal authentication during ASU would be impacted with this bug.

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