CVE-2021-32944: Opendesign Drawings SDK

High severity, CVSS 7.8. EPSS: 2.7% chance of exploitation in the next 30 days.

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.

Affected products

• Opendesign Drawings SDK: before 2022.4 (fixed in 2022.4)
• Siemens Comos: before 10.4.1 (fixed in 10.4.1)
• Siemens JT2GO: before 13.2.0.1 (fixed in 13.2.0.1)
• Siemens Teamcenter Visualization: before 13.2.0.1 (fixed in 13.2.0.1)

Published 2021-06-17. Last modified 2026-06-17.