OS Command Injection in Wago PFC200 Controller - CVE-2019-5155

 

OS Command Injection in Wago PFC200 Controller - CVE-2019-5155

Published: March 20, 2020


Vulnerability identifier: #VU26264
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-5155
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: WAGO
Affected software:
Wago PFC200 Controller

Detailed vulnerability description

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

The vulnerability exists due to improper input validation in the Cloud Connectivity feature. A remote administrator can inject arbitrary OS commands into any of the parameter values contained in the Firmware Update command.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2019-5155

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

Sources