CVE-2021-43336: Opendesign Drawings Software Development Kit

High severity, CVSS 7.8. EPSS: 1.7% chance of exploitation in the next 30 days.

An Out-of-Bounds Write vulnerability exists when reading a DXF or DWG file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DXF and DWG files. Crafted data in a DXF or DWG file (an invalid number of properties) can trigger a write operation past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected products

• Opendesign Drawings Software Development Kit: before 2022.11 (fixed in 2022.11)
• Siemens JT2GO: any version
• Siemens Solid Edge: version se2022 only
• Siemens Teamcenter Visualization: from 12.4.0, before 12.4.0.13 (fixed in 12.4.0.13); from 13.2.0, before 13.3.0.1 (fixed in 13.3.0.1); version 13.1.0 only

Published 2021-11-14. Last modified 2026-06-17.