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Medium 5.9Published Jun 4, 2026
CVE-2023-5502On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, a malicious supplicant may bypass authentication.
Updated under an hour ago ()
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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
- 5.9 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weakness (CWE)
- CWE-287
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Arista
- NVD analysis
- Awaiting Analysis
- Record last updated
- Jun 5, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Arista Networks EOS arista_networks:eos (from the name) | 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; from 4.25.0 through 4.25.11M; from 4.24.0 through 4.24.11M | CNA record |
References
- https://www.arista.com/en/support/advisories-notices/security-advisory/19462-security-advisory-0096
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.