Vulnerability in Wago Pfc200
CVE-2019-5160
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.
EPSS: 0.027 (85.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Wago Pfc200
- Wago Pfc200_firmware — versions 03.01.07(13), 03.02.02\(14\), 03.00.39(12)
- Wago Pfc200 Firmware — versions version 03.02.02(14), version 03.01.07(13), version 03.00.39(12)
References
- talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-5160?
- CVE-2019-5160 is a critical-severity vulnerability in Wago Pfc200. CVSS score: 9.1/10. Published 2020-03-11.
- How severe is CVE-2019-5160?
- Critical severity. CVSS v3 base score is 9.1 out of 10.