CVE-2022-41851 Null dereference in JTTK

Q: Is CVE-2022-41851 being exploited?

There is no known exploitation of CVE-2022-41851 in the wild and no public exploit code.

Q: How do I fix CVE-2022-41851?

No fix has been published for CVE-2022-41851 yet. Limit exposure of the affected software until one is available.

High 7.8 Published 11 Oct 2022 Updated 20 May 2025

An attacker can execute arbitrary code by tricking a user into opening a specially crafted JT file in applications using the vulnerable JTTK library.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-41851?

CVE-2022-41851 is a high-severity vulnerability in Siemens Simcenter Femap, published on 11 Oct 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A vulnerability has been identified in JTTK (All versions < V11.1.1.0), Simcenter Femap V2022.1 (All versions < V2022.1.3), Simcenter Femap V2022.2 (All versions < V2022.2.2). The JTTK library is vulnerable to an uninitialized pointer reference vulnerability while parsing specially crafted JT files. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-16973)

Weakness: CWE-824

Which versions are affected by CVE-2022-41851?

It affects 2 products.

Products include Siemens Jt Open Toolkit, Siemens Simcenter Femap.

How do I fix CVE-2022-41851?

No fix has been published for CVE-2022-41851 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-41851 being exploited?

There is no known exploitation of CVE-2022-41851 in the wild and no public exploit code.

All Siemens Simcenter Femap vulnerabilities

Sources

Also known as GHSA-4xcw-w9g9-vg97.