Vulnerability identifier: #VU60546

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-46157

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Simcenter Femap
Server applications / SCADA systems

Vendor: Siemens

Description

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

The vulnerability exists due to a boundary error. A remote attacker can create a specially crafted NEU file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Simcenter Femap: 2020.2 - 2021.1

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External links
http://cert-portal.siemens.com/productcert/txt/ssa-609880.txt
http://www.zerodayinitiative.com/advisories/ZDI-22-310/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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