CVE-2021-28506

An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.

CVSS v3 9.1 CRITICAL
CVSS v2.0 9.4 HIGH

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.4^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 9.2

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

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)

OR	cpe:2.3:o:arista:eos::::::::
	cpe:2.3:o:arista:eos::::::::
	cpe:2.3:o:arista:eos::::::::
	cpe:2.3:o:arista:eos::::::::
	cpe:2.3:o:arista:eos::::::::

History

14 Jul 2022, 18:47

Type	Values Removed	Values Added
CWE	~~CWE-863~~	CWE-862 CWE-306

26 Jan 2022, 14:25

Type	Values Removed	Values Added
First Time		Arista Arista eos
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, Mitigation, Patch, Vendor Advisory
CPE		cpe:2.3:o:arista:eos::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 9.4 v3 : 9.1

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-2021-28506

Mitre link : CVE-2021-28506

CVE.ORG link : CVE-2021-28506

JSON object : View

Products Affected

arista

eos

CWE

CWE-306

Missing Authentication for Critical Function

CWE-862

Missing Authorization

CWE-285

Improper Authorization

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