OS Command Injection in FortiOS - CVE-2021-44171
Published: October 10, 2022
Vulnerability identifier: #VU68100
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-44171
CWE-ID: CWE-78
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper input validation in switch-control CLI command. A local user can execute arbitrary OS commands on a linked FortiSwitch via diagnostic CLI commands.
Affected software
FortiOS
How to mitigate CVE-2021-44171
Install updates from vendor's website.
FortiOS - addressed in versions 6.0.15, 6.2.11, 6.4.9, 7.0.7