CVE-2019-5134

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-03-11 · updated 2026-06-17

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.

Affected products

WAGO Pfc100 Firmware: 03.00.39(12)
WAGO PFC200: 03.00.39(12), 03.01.07(13)

References

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

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