OS Command Injection in Wago PFC200 Controller - CVE-2019-5156

 

OS Command Injection in Wago PFC200 Controller - CVE-2019-5156

Published: March 20, 2020


Vulnerability identifier: #VU26262
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-2019-5156
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 functionality in the "TimeoutPrepared" parameter. A remote administrator can 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-2019-5156

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

Sources