Improper access control in Arista Metamako Operating System (MOS) - CVE-2021-28497
Published: May 17, 2025
Vulnerability identifier: #VU109360
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-28497
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Arista Networks
Affected software:
Arista Metamako Operating System (MOS)
Arista Metamako Operating System (MOS)
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper access restrictions. A local user can gain access to a bash shell and execute arbitrary OS commands on the system.
How to mitigate CVE-2021-28497
Install updates from vendor's website.