#VU109363 Improper authentication in Arista Extensible Operating System (EOS) - CVE-2023-5502
Published: May 17, 2025
Vulnerability identifier: #VU109363
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2023-5502
CWE-ID: CWE-287
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Arista Extensible Operating System (EOS)
Arista Extensible Operating System (EOS)
Software vendor:
Arista Networks
Arista Networks
Description
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.
Remediation
Install updates from vendor's website.