Vulnerability identifier: #VU70381

Vulnerability risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-44731

CWE-ID: CWE-88

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SIMATIC WinCC OA
Server applications / SCADA systems

Vendor: Siemens

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to an argument injection issue in the Ultralight Client backend application. A remote user can inject arbitrary parameters when starting the client via the web interface.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SIMATIC WinCC OA: 3.15 - 3.18

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External links
http://cert-portal.siemens.com/productcert/pdf/ssa-547714.pdf

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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