What is CVE-2021-28493?

CVE-2021-28493 is a high-severity vulnerability in Arista 7130, classified under Improper Authentication. CVSS score: 8.4/10. Published 2021-09-09.

How severe is CVE-2021-28493?

High severity. CVSS v3 base score is 8.4 out of 10.

Auth bypass in Arista 7130

CVE-2021-28493

In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, a user may be able to execute commands despite not having the privileges to do so. This issue affects: Arista Metam…

Vulnerability class: Broken Authentication

EPSS: 0.002 (12.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H.

Affected products

Arista 7130
Arista Metamako Operating System — versions MOS-0.33.0
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-2021-28493?: CVE-2021-28493 is a high-severity vulnerability in Arista 7130, classified under Improper Authentication. CVSS score: 8.4/10. Published 2021-09-09.
How severe is CVE-2021-28493?: High severity. CVSS v3 base score is 8.4 out of 10.