Is CVE-2019-5157 actively exploited?

No active exploitation of CVE-2019-5157 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-5157 be exploited remotely?

Yes. CVE-2019-5157 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-5157?

CVE-2019-5157 has a CVSS score of 7.2 (HIGH).

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HIGH

CVE-2019-5157

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 functionality of WAGO PFC200 Firmware versions 03.02.02(14), 03.01.07(13), and 03.00.39(12). An attacker can inject OS commands into the TimeoutUnconfirmed parameter value contained in the Firmware Update command.

NVD Source

Technical Analysis

CVE-2019-5157 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.