#VU70381 Improper Neutralization of Argument Delimiters in a Command in SIMATIC WinCC OA - CVE-2022-44731

Vulnerability identifier: #VU70381

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

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
https://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.