CVE-2023-5502CWE-287

On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, a malicious supplicant may bypass authentication.

High · published June 4, 2026

CVSS v4.0
8.2
EPSS
0%
Percentile
23.4
In the wild
Unconfirmed
What it is

On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, and routing enabled on the access VLAN of the ports, a malicious supplicant may be able to bypass the requirement to perform 802.1x authentication.

The record
Technical detail
CVSS v4.0
8.2 · HIGH
Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00317 · 23.4th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-06-04T22:39Z
EPSS history
Timeline
  • 04 JUN 22:39Z
    On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, a malicious supplicant may bypass authentication.
    cvelistv5