CVE-2019-5081

Public Exploit

Description

An exploitable heap buffer overflow vulnerability exists in the iocheckd service ''I/O-Chec'' functionality of WAGO PFC 200 Firmware version 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a heap buffer overflow, potentially resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.86% Top 20%
Third-Party Advisory talosintelligence.com Third-Party Advisory talosintelligence.com
Affected: n/a WAGO PFC200
Affected: n/a WAGO PFC100
Published at:
Updated at:

References

Link Tags
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0874 third party advisory exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0873 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-5081?
CVE-2019-5081 has been scored as a critical severity vulnerability.
How to fix CVE-2019-5081?
To fix CVE-2019-5081, 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-2019-5081 being actively exploited in the wild?
It is possible that CVE-2019-5081 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-5081?
CVE-2019-5081 affects n/a WAGO PFC200, n/a WAGO PFC100.
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.