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.
CVE ID: CVE-2024-8000
CVSS Base Severity: MEDIUM
CVSS Base Score: 5.3
CVSS Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Vendor: Arista Networks
Product: EOS
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 6.85% (scored less or equal to compared to others)
EPSS Date: 2025-04-02 (when was this score calculated)
SSVC Exploitation: none
SSVC Technical Impact: partial
SSVC Automatable: false