CVE-2019-5134 — HIGH (7.5) — White Hats Nepal

Vulnerability 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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Wago	Pfc200 Firmware	03.00.39\(12\)
Wago	Pfc200	-
Wago	Pfc100 Firmware	03.00.39\(12\)
Wago	Pfc100	-

References

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0923ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0923ExploitThird Party Advisory

FAQ

What is CVE-2019-5134?

CVE-2019-5134 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 PF...

How severe is CVE-2019-5134?

CVE-2019-5134 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-5134?

Check the references section above for vendor advisories and patch information. Affected products include: Wago Pfc200 Firmware, Wago Pfc200, Wago Pfc100 Firmware, Wago Pfc100.