OS Command Injection in FortiWeb - CVE-2021-22123
Published: June 1, 2021 / Updated: August 18, 2021
Vulnerability identifier: #VU53715
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-22123
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in FortiWeb's management interface. A remote authenticated user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
FortiWeb
How to mitigate CVE-2021-22123
Install updates from vendor's website.
FortiWeb - addressed in versions 6.2.4, 6.3.8, 6.2.5, 6.3.15, 6.4.1