CVE-2021-28495

State: Published
Severity: 7.2 High
Published: Sep 9, 2021
Updated: Aug 3, 2024
Reserved: Mar 16, 2021

Description

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

Scores

CVSS	Score	Vector	Source
3.1	7.2 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L	Arista

Weaknesses

CWE-287 Improper Authentication

Affected Products

Product	Versions
Metamako Operating SystemArista	MOS-0.13 to before MOS-0.13*Affected MOS-0.26.7 to before MOS-0.26.7Affected MOS-0.32.0 to before MOS-0.32.0Affected

References

https://www.arista.com/en/support/advisories-notices/security-advisories/12914-security-advisory-66

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.