VULNERABILITY INTELLIGENCE
CVE-2021-28503
CVSS score7.4 HIGH
EPSS probability0.73%
CISA KEVNot currently listed
Published2022-02-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Description
The impact of this vulnerability is that Arista's EOS eAPI may skip re-evaluating user credentials when certificate based authentication is used, which allows remote attackers to access the device via eAPI.
Weakness classification
- psirt@arista.com: CWE-305
- nvd@nist.gov: CWE-287
Primary references
- psirt@arista.com — Mitigation, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Patch, Vendor Advisory