CVE-2023-5502
Medium
Description
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.
SeverityMedium
CVSS5.9
Exploit probability—
ProductEOS
PublishedJun 4, 2026
First seenJun 4, 2026
Weakness typeCWE-287Improper authentication
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Arista Networks EOS | 4.31.0 ≤ v ≤ 4.31.0F, 4.30.0 ≤ v ≤ 4.30.4M, 4.29.0 ≤ v ≤ 4.29.6M, 4.28.0 ≤ v ≤ 4.28.8M, 4.27.0 ≤ v ≤ 4.27.11M, 4.26.0 ≤ v ≤ 4.26.11M, 4.25.0 ≤ v ≤ 4.25.11M, 4.24.0 ≤ v ≤ 4.24.11M | — |
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