SB2021090716 - Privilege escalation in FortiAuthenticator
Published: September 7, 2021
Security Bulletin ID
SB2021090716
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) OS Command Injection (CVE-ID: CVE-2021-26116)
CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS 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 escalate privileges on the system.
The vulnerability exists due to improper input validation in the command line interpreter of FortiAuthenticator. A local user can execute unauthorized commands via specifically crafted arguments to existing commands.
Remediation
Install update from vendor's website.