CVE-2019-5155 Command injection in WAGO PFC200 Firmware

High 7.2 Published 10 Mar 2020 Updated 4 Aug 2024

Attackers can inject OS commands via firmware update parameters in WAGO PFC200 cloud connectivity, leading to code execution.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-5155?

CVE-2019-5155 is a high-severity command injection vulnerability in WAGO PFC200 Firmware, published on 10 Mar 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An exploitable command injection vulnerability exists in the cloud connectivity feature of WAGO PFC200. An attacker can inject operating system commands into any of the parameter values contained in the firmware update command. This affects WAGO PFC200 Firmware version 03.02.02(14), version 03.01.07(13), and version 03.00.39(12)

Weakness: CWE-78

Which versions are affected by CVE-2019-5155?

It affects 1 product.

Products include Wago Pfc200 Firmware.

How do I fix CVE-2019-5155?

No fix has been published for CVE-2019-5155 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2019-5155 being exploited?

There is no known exploitation of CVE-2019-5155 in the wild and no public exploit code.

Sources

Also known as GHSA-2g7j-m3mp-pr8p.