Vulnerability Monitor

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CVE-2021-28501

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

2022-01-14T20:15:10.267

Last Modified

2024-11-21T05:59:47.573

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-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	arista	terminattr	≤ 1.16.2	Yes

References

https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071 Exploit, Mitigation, Patch, Vendor Advisory ([email protected])
https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071 Exploit, Mitigation, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)