OS Command Injection in Wago PFC200 Controller - CVE-2019-5157
Published: March 20, 2020
Vulnerability identifier: #VU26256
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-2019-5157
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WAGO
Affected software:
Wago PFC200 Controller
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 within the Cloud Connectivity functionality in the "TimeoutUnconfirmed" parameter value contained in the Firmware Update command. 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-2019-5157
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.