Improper authentication in Arista Extensible Operating System (EOS) - CVE-2024-6858
Published: May 17, 2025
Vulnerability identifier: #VU109366
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2024-6858
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 the 802.1X mode. A remote attacker on the local network can access a switch port if there exists an EAPOL capable device in the fallback VLAN.
Affected software
Arista Extensible Operating System (EOS)
How to mitigate CVE-2024-6858
Install updates from vendor's website.
Arista Extensible Operating System (EOS) - addressed in versions 4.28.11M, 4.29.8M, 4.30.6M, 4.31.2F