Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-28500

An issue has recently been discovered in Arista EOS where the incorrect use of EOS's AAA API’s by the OpenConfig and TerminAttr agents could result in unrestricted access to the device for local users with nopassword configuration.

Published

2022-01-14T20:15:10.217

Last Modified

2024-11-21T05:59:47.440

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.1 (CRITICAL)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.4

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-285
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System arista eos < 4.20 Yes
Operating System arista eos ≤ 4.21.14m Yes
Operating System arista eos ≤ 4.22.11m Yes
Operating System arista eos ≤ 4.23.8m Yes
Operating System arista eos ≤ 4.24.6m Yes
Operating System arista eos ≤ 4.25.4m Yes
Operating System arista eos ≤ 4.26.1f Yes
References