Regular Expression Vulnerability in WAGO PFC200 and PFC100 Products
CVE-2019-5134

7.5HIGH

Key Information:

Vendor

Wago

Status
Wago Pfc200 Firmware
Wago Pfc100 Firmware
Vendor
CVE Published:
11 March 2020

What is CVE-2019-5134?

A vulnerability in the Web-Based Management (WBM) authentication of WAGO's PFC200 and PFC100 devices allows attackers to bypass security mechanisms through specially crafted authentication requests. This exploitation of regular expression filters can potentially lead to sensitive information being disclosed, raising concerns for the integrity and privacy of system configurations. Users of the affected versions are strongly advised to review their security posture and apply any available patches.

Affected Version(s)

WAGO PFC100 Firmware version 03.00.39(12)

WAGO PFC200 Firmware version 03.00.39(12)

WAGO PFC200 Firmware version 03.01.07(13)

References

https://talosintelligence.com/vulnerability_reports/TALOS...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.