PT-2021-17875 · Arista · Arista Metamako Operating System

Published 2021-09-09 · Updated 2022-07-29 · CVE-2021-28499

Positive Technologies (AI Summary)

CVSS v3.1

6.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Arista Metamako Operating System versions 0.18 through 0.19 Arista Metamako Operating System versions 0.2x Arista Metamako Operating System versions 0.31.1 and prior

Description: The issue affects Arista's MOS software, which is supported on the 7130 product line. User account passwords set in clear text could leak to users without any password.

Recommendations: For versions 0.18 through 0.19, update to a version outside of the MOS-0.1x train to resolve the issue. For versions 0.2x, update to a version outside of the MOS-0.2x train to resolve the issue. For versions 0.31.1 and prior, update to a version later than MOS-0.31.1 in the MOS-0.3x train to resolve the issue.

Fix

Insufficiently Protected Credentials

Weakness Enumeration

CWE-255

CWE-522

Related Identifiers

CVE-2021-28499

Affected Products

Arista Metamako Operating System

References · 4

• https://arista.com/en/support/advisories-notices/security-advisories/12912-security-advisory-64 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-28499 · Security Note
• https://osv.dev/vulnerability/CVE-2021-28499 · Vendor Advisory
• https://t.me/cibsecurity/28586 · Telegram Post