Vulnerability identifier: #VU26258

Vulnerability risk: Medium

CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2019-5161

CWE-ID: CWE-345

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Wago PFC200 Controller
Hardware solutions / Firmware

Vendor: WAGO

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists within the Cloud Connectivity functionality due to the affected software does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. A remote administrator can use a specially crafted XML file and execute a shell script with root privileges. 

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

Vulnerable software versions

Wago PFC200 Controller: 03.00.39(12) - 03.02.02(14)

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External links
http://talosintelligence.com/vulnerability_reports/TALOS-2019-0954

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.