CVE-2019-5135

Public Exploit

Description

An exploitable timing discrepancy vulnerability exists in the authentication functionality of the Web-Based Management (WBM) web application on WAGO PFC100/200 controllers. The WBM application makes use of the PHP crypt() function which can be exploited to disclose hashed user credentials. This affects WAGO PFC200 Firmware version 03.00.39(12) and version 03.01.07(13), and WAGO PFC100 Firmware version 03.00.39(12).

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.16%
Third-Party Advisory talosintelligence.com
Affected: Wago WAGO PFC200 Firmware
Affected: Wago WAGO PFC100 Firmware
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0924 exploit third party advisory mitigation

Frequently Asked Questions

What is the severity of CVE-2019-5135?
CVE-2019-5135 has been scored as a medium severity vulnerability.
How to fix CVE-2019-5135?
To fix CVE-2019-5135, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-5135 being actively exploited in the wild?
It is possible that CVE-2019-5135 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-5135?
CVE-2019-5135 affects Wago WAGO PFC200 Firmware, Wago WAGO PFC100 Firmware.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.