CVE-2021-28494
CRITICALArista Metamako Operating System < 0.34.0 - Unauthenticated Authentication Bypass via Web UI
Title source: llmDescription
In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, authentication is bypassed by unprivileged users who are accessing the Web UI. This issue affects: Arista Metamako Operating System MOS-0.34.0 and prior releases
References (1)
Core 1
Core References
Mitigation, Vendor Advisory x_refsource_misc
https://www.arista.com/en/support/advisories-notices/security-advisories/12916-security-advisory-68
Scores
CVSS v3
9.6
EPSS
0.0085
EPSS Percentile
53.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Details
CWE
CWE-287
Status
published
Products (1)
arista/metamako_operating_system
< 0.34.0
Published
Sep 09, 2021
Tracked Since
Feb 18, 2026