cve/2019/CVE-2019-5134.md

### [CVE-2019-5134](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5134)
![](https://img.shields.io/static/v1?label=Product&message=WAGO%20PFC100%20Firmware&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=WAGO%20PFC200%20Firmware&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=regular%20expression%20without%20anchors&color=brighgreen)

### 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.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0923
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0923

#### Github
No PoCs found on GitHub currently.