What is CVE-2021-28495?

CVE-2021-28495 is a high-severity vulnerability in Arista 7130, classified under Improper Authentication. CVSS score: 7.2/10. Published 2021-09-09.

How severe is CVE-2021-28495?

High severity. CVSS v3 base score is 7.2 out of 10.

Auth bypass in Arista 7130

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 Me…

Vulnerability class: Broken Authentication

EPSS: 0.009 (56.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L.

Affected products

Arista 7130
Arista Metamako Operating System — versions MOS-0.13, MOS-0.26.7, MOS-0.32.0
Arista Metamako_operating_system

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

psirt@arista.com (x_refsource_MISC, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2021-28495?: CVE-2021-28495 is a high-severity vulnerability in Arista 7130, classified under Improper Authentication. CVSS score: 7.2/10. Published 2021-09-09.
How severe is CVE-2021-28495?: High severity. CVSS v3 base score is 7.2 out of 10.