CVE-2021-28503

HIGH

Arista EOS - Privilege Escalation

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 7.4
EPSS 0.0040
EPSS Percentile 60.8%
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