CVE-2021-28503CWE-305

In Arista's EOS software affected releases, eAPI might skip re-evaluating user credentials when certificate based authentication is used, which allows remote attackers to access the device via eAPI.

High · published February 4, 2022

CVSS v3.1
7.4
EPSS
1%
Percentile
53.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00735 · 53.9th percentile
Weakness
CWE-305 · Authentication Bypass by Primary Weakness
Published
2022-02-04T22:29Z
EPSS history
Timeline
  • 04 FEB 22:29Z
    In Arista's EOS software affected releases, eAPI might skip re-evaluating user credentials when certificate based authentication is used, which allows remote attackers to access the device via eAPI.
    cvelistv5