SB2022020173 - Privilege escalation in FortiExtender
Published: February 1, 2022
Security Bulletin ID
SB2022020173
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Command Injection (CVE-ID: CVE-2021-41016)
CWE-ID: CWE-77 - Command injection
CVSSv4: 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/E:U/U:Clear
The vulnerability allows a local user to execute arbitrary commands on the system.
The vulnerability exists due to improper input validation. A local user can pass specially crafted arguments to the `execute` CLI command and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.