OS Command Injection in PowerCMS - CVE-2021-20850

 

OS Command Injection in PowerCMS - CVE-2021-20850

Published: November 24, 2021


Vulnerability identifier: #VU58334
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-20850
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Alfasado Inc.
Affected software:
PowerCMS

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote unauthenticated attacker 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.


How to mitigate CVE-2021-20850

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources