CVE-2023-5502
HIGH EPSS 23.5%
Published Jun 4, 20263w ago · Modified Jun 17, 20262w ago
8.2 CVSS 4.0
Published Jun 4, 2026 3w ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
23.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-287 Improper Authentication Authentication
References 1
- arista.com https://www.arista.com/en/support/advisories-notices/security-advisory/19462-security-advisory-0096
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.