Argument Injection in Siemens SIMATIC WinCC OA

1) Improper Neutralization of Argument Delimiters in a Command

EUVDB-ID: #VU70381

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 - Argument Injection or Modification

Exploit availability: No

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

External links

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

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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