PT-2021-17869 · Arista · Arista Metamako Operating System

Published 2021-09-09 · Updated 2021-09-22 · CVE-2021-28493

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Arista Metamako Operating System versions prior to MOS-0.32.0 Arista Metamako Operating System All releases in the MOS-0.1x train

Description: The issue allows a user to execute commands despite not having the necessary privileges under certain conditions.

Recommendations: For Arista Metamako Operating System versions prior to MOS-0.32.0, update to a version after MOS-0.32.0 to resolve the issue. For Arista Metamako Operating System All releases in the MOS-0.1x train, update to a version outside of the MOS-0.1x train to resolve the issue.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2021-28493

Affected Products

Arista Metamako Operating System

References · 4

• https://arista.com/en/support/advisories-notices/security-advisories/12915-security-advisory-67 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-28493 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-28493 · Security Note
• https://t.me/cibsecurity/28579 · Telegram Post