Regular Expression Bypass Vulnerability in WAGO PFC200 and PFC100 Web-Based Management Authentication

Regular Expression Bypass Vulnerability in WAGO PFC200 and PFC100 Web-Based Management Authentication

CVE-2019-5134 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

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