CVE-2021-33714 Null dereference in JT Utilities
A missing iterator validity check in Siemens JT Utilities allows attackers to cause a denial-of-service crash via crafted 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-2021-33714?
CVE-2021-33714 is a medium-severity vulnerability in Siemens JT Utilities, published on 13 Jul 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 JT Utilities (All versions < V13.0.2.0). When parsing specially crafted JT files, a missing check for the validity of an iterator leads to NULL pointer deference condition, causing the application to crash. 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-2021-33714?
It affects 1 product.
Products include Siemens Jt Utilities.
How do I fix CVE-2021-33714?
No fix has been published for CVE-2021-33714 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-33714 being exploited?
There is no known exploitation of CVE-2021-33714 in the wild and no public exploit code.
Other vulnerabilities in Siemens JT Utilities
Sources
Also known as GHSA-962j-23c4-pj99.