CVE-2021-28495

In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, user authentication can be bypassed when API access is enabled via the JSON-RPC APIs. This issue affects: Arista Metamako Operating System All releases in the MOS-0.1x train MOS-0.13 and post releases in the MOS-0.1x train MOS-0.26.6 and below releases in the MOS-0.2x train MOS-0.31.1 and below releases in the MOS-0.3x train

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 6.8 MEDIUM

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.arista.com/en/support/advisories-notices/security-advisories/12914-security-advisory-66	Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:arista:metamako_operating_system::::::::
	cpe:2.3:o:arista:metamako_operating_system::::::::
	cpe:2.3:o:arista:metamako_operating_system::::::::

cpe:2.3:h:arista:7130:-:*:*:*:*:*:*:*

Information

Published : 2021-09-09 06:15

Updated : 2021-09-22 09:34

NVD link : CVE-2021-28495

Mitre link : CVE-2021-28495

JSON object : View

CWE

CWE-287

Improper Authentication

Products Affected

arista

metamako_operating_system
7130

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9.8 /10