SB2025051716 - 802.1x authentication bypass in Arista EOS
Published: May 17, 2025
Security Bulletin ID
SB2025051716
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper authentication (CVE-ID: CVE-2024-6858)
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.
Remediation
Install update from vendor's website.