CVE-2021-33715 Null dereference in JT Utilities
A race condition in Siemens JT Utilities causes a null pointer dereference when parsing crafted files, leading to application crashes and denial of service.
- 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-2021-33715?
CVE-2021-33715 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 race condition could cause an object to be released before being operated on, leading to NULL pointer deference condition and 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-2021-33715?
It affects 1 product.
Products include Siemens Jt Utilities.
How do I fix CVE-2021-33715?
No fix has been published for CVE-2021-33715 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-33715 being exploited?
There is no known exploitation of CVE-2021-33715 in the wild and no public exploit code.
Other vulnerabilities in Siemens JT Utilities
Sources
Also known as GHSA-3xx5-g4fv-w39v.