SB2021082102 - Authentication bypass in Arista Metamako Operating System (MOS)
Published: August 21, 2021 Updated: May 17, 2025
Security Bulletin ID
SB2021082102
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Authentication (CVE-ID: CVE-2021-28495)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when processing authentication requests in JSON-RPC API. A remote attacker can bypass authentication process and gain unauthorized access to the application.
Remediation
Install update from vendor's website.