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Status published
High
CVE-2023-5502
On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, a malicious supplicant may bypass authentication.
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Arista Networks
View all reports →Affected Software
EOS
Vulnerable Versions:
4.31.0, 4.30.0, 4.29.0, 4.28.0, 4.27.0, 4.26.0, 4.25.0, 4.24.0
Timeline
Official Publish:
June 4th, 2026
Last Modified:
June 5th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N