CVE-2019-5160

Name: CVE-2019-5160
Creator: NVD / NIST
Published: 2020-03-11T22:27:41.097+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 2.67%

Last modified Jun 17, 2026

CVE-2019-5160 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. An exploitable improper host validation vulnerability exists in the Cloud Connectivity functionality of WAGO PFC200 Firmware versions 03.02.02(14), 03.01.07(13), and 03.00.39(12). A specially crafted HTTPS POST request can cause the software to connect to an unauthorized host, resulting in unauthorized access to firmware update functionality. EPSS estimates a 2.67% chance of exploitation in the next 30 days.

Description

An exploitable improper host validation vulnerability exists in the Cloud Connectivity functionality of WAGO PFC200 Firmware versions 03.02.02(14), 03.01.07(13), and 03.00.39(12). A specially crafted HTTPS POST request can cause the software to connect to an unauthorized host, resulting in unauthorized access to firmware update functionality. An attacker can send an authenticated HTTPS POST request to direct the Cloud Connectivity software to connect to an attacker controlled Azure IoT Hub node.

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

2.67%

83.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Wago	Pfc200 Firmware	03.00.39\(12\)
Wago	Pfc200 Firmware	03.01.07\(13\)
Wago	Pfc200 Firmware	03.02.02\(14\)

References

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0953Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0953Exploit, Third Party Advisory

Timeline

Published: Mar 11, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-5160?

How severe is CVE-2019-5160?

CVE-2019-5160 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 2.67% probability of exploitation in the next 30 days.

How do I fix CVE-2019-5160?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-5160?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST