CVE-2021-33717 Null dereference in JT2Go

Q: Is CVE-2021-33717 being exploited?

There is no known exploitation of CVE-2021-33717 in the wild and no public exploit code.

Q: How do I fix CVE-2021-33717?

No fix has been published for CVE-2021-33717 yet. Limit exposure of the affected software until one is available.

Medium 5.5 Published 10 Aug 2021 Updated 3 Aug 2024

Attackers can cause a denial-of-service crash in Siemens JT2Go and Teamcenter Visualization by providing specially crafted CGM files.

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-2021-33717?

CVE-2021-33717 is a medium-severity vulnerability in Siemens Jt2go, published on 10 Aug 2021. 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 JT2Go (All versions < V13.2.0.1), Teamcenter Visualization (All versions < V13.2.0.1). When parsing specially crafted CGM Files, a NULL pointer deference condition could cause the application to crash. The application must be restarted to restore the service. An attacker could leverage this vulnerability to cause a Denial-of-Service condition in the application.

Weakness: CWE-476

Which versions are affected by CVE-2021-33717?

It affects 2 products.

Products include Siemens Jt2go, Siemens Teamcenter Visualization.

How do I fix CVE-2021-33717?

No fix has been published for CVE-2021-33717 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-33717 being exploited?

There is no known exploitation of CVE-2021-33717 in the wild and no public exploit code.

All Siemens Jt2go vulnerabilities

Sources

Also known as GHSA-gqrw-4vcw-m5fj.