Is CVE-2019-5134 actively exploited?

No active exploitation of CVE-2019-5134 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-5134 be exploited remotely?

Yes. CVE-2019-5134 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-5134?

CVE-2019-5134 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2019-5134

HIGH

CVE-2019-5134

NVD-CWE-noinfoPublished: March 11, 2020· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

An exploitable regular expression without anchors vulnerability exists in the Web-Based Management (WBM) authentication functionality of WAGO PFC200 versions 03.00.39(12) and 03.01.07(13), and WAGO PFC100 version 03.00.39(12). A specially crafted authentication request can bypass regular expression filters, resulting in sensitive information disclosure.

NVD Source

Technical Analysis

CVE-2019-5134 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.