cbcvebase.
CVE-2023-5502
published 2026-06-04

CVE-2023-5502: 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…

PriorityP339medium5.9CVSS 3.1
AVNACHPRNUINSUCNIHAN
EPSS
0.32%
23.4th percentile
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.

Affected

8 ranges
VendorProductVersion rangeFixed in
arista_networkseos4.24.0 – 4.24.11M
arista_networkseos4.25.0 – 4.25.11M
arista_networkseos4.26.0 – 4.26.11M
arista_networkseos4.27.0 – 4.27.11M
arista_networkseos4.28.0 – 4.28.8M
arista_networkseos4.29.0 – 4.29.6M
arista_networkseos4.30.0 – 4.30.4M
arista_networkseos4.31.0 – 4.31.0F

CVSS provenance

nvdv3.15.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
nvdv4.08.2HIGHCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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