CVE-2023-5502
Received Received - Intake
BaseFortify

Publication date: 2026-06-04

Last updated on: 2026-06-04

Assigner: Arista Networks, Inc.

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.
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Meta Information
Published
2026-06-04
Last Modified
2026-06-04
Generated
2026-06-05
AI Q&A
2026-06-05
EPSS Evaluated
N/A
NVD
EUVD
Affected Vendors & Products
Currently, no data is known.
Helpful Resources
Exploitability
CWE
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KEV
KEV Icon
CWE ID Description
CWE-287 When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability affects Arista EOS platforms that have 802.1x authentication configured on access or trunk ports, with routing enabled on the access VLAN of those ports. A malicious supplicant (an unauthorized device or user) may be able to bypass the requirement to perform 802.1x authentication, potentially gaining unauthorized network access.


How can this vulnerability impact me? :

The impact of this vulnerability is that an attacker could bypass 802.1x authentication controls, which are typically used to restrict network access to authorized devices only. This could allow unauthorized devices to connect to the network, potentially leading to unauthorized access, data interception, or other malicious activities.


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