Improper authentication in Arista Extensible Operating System (EOS) - CVE-2023-5502
Published: May 17, 2025
Vulnerability identifier: #VU109363
CSH Severity: Medium
CVSS v4: 6.4 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N]
CVE-ID: CVE-2023-5502
CWE-ID: CWE-287
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in 802.1x authentication implementation. A remote attacker on the local network can bypass 802.1x authentication process and gain unauthorized access to the network.
Affected software
Arista Extensible Operating System (EOS)
How to mitigate CVE-2023-5502
Install updates from vendor's website.
Arista Extensible Operating System (EOS) - addressed in versions 4.29.7M, 4.30.5M, 4.31.3M, 4.32.0F