Is CVE-2019-5155 actively exploited?

No active exploitation of CVE-2019-5155 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-5155 be exploited remotely?

Yes. CVE-2019-5155 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-5155?

CVE-2019-5155 has a CVSS score of 7.2 (HIGH).

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HIGH

CVE-2019-5155

CWE-78Published: March 11, 2020· Updated: Jun 17, 2026

7.2

CVSS v3.1

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)

NVD Source

Technical Analysis

CVE-2019-5155 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.2.