CVE-2021-33738 Information disclosure in JT2Go

Q: Is CVE-2021-33738 being exploited?

There is no known exploitation of CVE-2021-33738 in the wild and no public exploit code.

Q: How do I fix CVE-2021-33738?

No fix has been published for CVE-2021-33738 yet. Limit exposure of the affected software until one is available.

Low 3.3 Published 10 Aug 2021 Updated 3 Aug 2024

An out-of-bounds read in Siemens JT2Go and Teamcenter Visualization allows attackers to leak sensitive information via malicious PAR 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-2021-33738?

CVE-2021-33738 is a low-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 < V13.2.0.2), Teamcenter Visualization (All versions < V13.2.0.2). The plmxmlAdapterSE70.dll library in affected applications lacks proper validation of user-supplied data when parsing PAR files. This could result in an out of bounds read past the end of an allocated buffer. An attacker could leverage this vulnerability to leak information in the context of the current process. (ZDI-CAN-13405)

Weakness: CWE-125

Which versions are affected by CVE-2021-33738?

It affects 2 products.

Products include Siemens Jt2go, Siemens Teamcenter Visualization.

How do I fix CVE-2021-33738?

No fix has been published for CVE-2021-33738 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-33738 being exploited?

There is no known exploitation of CVE-2021-33738 in the wild and no public exploit code.

All Siemens Jt2go vulnerabilities

Sources

Also known as GHSA-64rg-cj2r-7j3g.