Vulnerability identifier: #VU26261

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-2019-5160

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Wago PFC200 Controller
Hardware solutions / Firmware

Vendor: WAGO

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.

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-2019-0953

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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.