What’s Vulnerable › Vulnerabilities
CVE-2023-5502: On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, a malicious supplicant may bypass authentication.
- Severity: medium (CVSS 5.9 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-04 · updated 2026-07-22
- Weakness: CWE-287
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.
Affected products
- Arista Networks EOS: from 4.31.0 through 4.31.0F; from 4.30.0 through 4.30.4M; from 4.29.0 through 4.29.6M; from 4.28.0 through 4.28.8M; from 4.27.0 through 4.27.11M; from 4.26.0 through 4.26.11M
References
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