CVE-2021-28503
HIGHArista EOS 4.22-4.22.9m - Authentication Bypass via Certificate Re-evaluation Skip
Title source: llmDescription
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.
References (1)
Core 1
Core References
Mitigation, Patch, Vendor Advisory x_refsource_misc
https://www.arista.com/en/support/advisories-notices/security-advisories/13605-security-advisory-0072
Scores
CVSS v3
7.4
EPSS
0.0072
EPSS Percentile
49.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Details
CWE
CWE-305
CWE-287
Status
published
Products (1)
arista/eos
4.22 - 4.22.9m
Published
Feb 04, 2022
Tracked Since
Feb 18, 2026