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VULNERABILITIES

CVE-2021-28495 Details

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

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.arista.com/en/support/advisories-notices/security-advisories/12914-security-advisory-66 CVEMitigationVendor Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/12914-security-advisory-66 [email protected]MitigationVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-287Improper Authentication[email protected]
CWE-287Improper Authentication[email protected]

Affected Products

ProductVersions
arista metamako operating system
>= 0.10.0, <= 0.13.0
>= 0.20.0, <= 0.26.7
>= 0.30.0, < 0.32.0

CPE

  • cpe:2.3:o:arista:metamako_operating_system:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
arista 7130
All versions

CPE

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

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-28495
NVD Published Date:
Sep 9, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-28495 Details - Not Deferred