Improper access control in Wago PFC200 Controller - CVE-2019-5160

 

Improper access control in Wago PFC200 Controller - CVE-2019-5160

Published: March 20, 2020


Vulnerability identifier: #VU26261
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-5160
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: WAGO
Affected software:
Wago PFC200 Controller

Detailed vulnerability description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the Cloud Connectivity functionality. A remote administrator can use a specially crafted HTTPS POST request, bypass implemented security restrictions and gain unauthorized access to firmware update functionality.


How to mitigate CVE-2019-5160

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources