CVE-2021-32944: Siemens JT2Go DGN File Parsing Use-After-Free Remote Code Execution Vulnerability
A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or execute code in the context of the current process.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Siemens JT2Go. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of DGN files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.
Affected Software
Remediation
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is CVE-2021-32944?
CVE-2021-32944 is a vulnerability that allows remote attackers to execute arbitrary code on Siemens JT2Go.
How can the CVE-2021-32944 vulnerability be exploited?
The CVE-2021-32944 vulnerability can be exploited through user interaction, such as visiting a malicious page or opening a malicious file.
What software is affected by CVE-2021-32944?
Siemens JT2Go, Opendesign Drawings Sdk, Siemens COMOS, and Siemens Teamcenter Visualization are affected by CVE-2021-32944.
What is the severity of CVE-2021-32944?
CVE-2021-32944 has a severity rating of 7.8 (high).
Is there a fix available for CVE-2021-32944?
Yes, Siemens has released security advisories and patches to address the CVE-2021-32944 vulnerability.