CVE-2019-5160: Critical severity wago pfc200 vulnerability

Published Mar 10, 2020

Updated

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.

Affected Software

4 affected components

WAGO PFC200 Firmware=03.00.39\(12\)

WAGO PFC200 Firmware=03.01.07\(13\)

WAGO PFC200 Firmware=03.02.02\(14\)

WAGO PFC200

Event History

Mar 10, 2020

CVE Published

via MITRE·10:35 PM

Data Sourced

via MITRE·10:35 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2019-5160?

The severity of CVE-2019-5160 is critical with a CVSS score of 9.1.

What is the affected software for CVE-2019-5160?

The affected software for CVE-2019-5160 is WAGO PFC200 Firmware versions 03.02.02(14), 03.01.07(13), and 03.00.39(12).

How does CVE-2019-5160 exploit the vulnerability?

CVE-2019-5160 exploits an improper host validation vulnerability in the Cloud Connectivity functionality of WAGO PFC200 Firmware.

What can happen if CVE-2019-5160 is exploited?

If CVE-2019-5160 is exploited, a specially crafted HTTPS POST request can cause the software to connect to an unauthorized host, resulting in unauthorized access.

Is the WAGO PFC200 device vulnerable to CVE-2019-5160?

No, the WAGO PFC200 device is not vulnerable to CVE-2019-5160.