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.

CVSS v3 7.8 HIGH
CVSS v2.0 6.9 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071	Exploit Mitigation Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:*

History

14 Jul 2022, 18:38

Type	Values Removed	Values Added
CWE	~~CWE-863~~	NVD-CWE-noinfo

28 Jan 2022, 21:02

Type	Values Removed	Values Added
References	~~(MISC) https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071 - Exploit, Vendor Advisory~~	(MISC) https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071 - Exploit, Mitigation, Patch, Vendor Advisory

22 Jan 2022, 01:17

Type	Values Removed	Values Added
First Time		Arista terminattr Arista
CWE		CWE-863
References	~~(MISC) https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071 -~~	(MISC) https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071 - Exploit, Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.9 v3 : 7.8
CPE		cpe:2.3:a:arista:terminattr::::::::

14 Jan 2022, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-01-14 20:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-28501

Mitre link : CVE-2021-28501

CVE.ORG link : CVE-2021-28501

JSON object : View

Products Affected

arista

terminattr

CWE

NVD-CWE-noinfo CWE-285

Improper Authorization

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