CVE-2021-44045: Opendesign Drawings SDK

High severity, CVSS 7.8. EPSS: 0.8% chance of exploitation in the next 30 days.

An out-of-bounds write vulnerability exists when reading a DGN file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DGN files. Crafted data in a DGN file and lack of proper validation for the XFAT sectors count 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 SDK: before 2022.11 (fixed in 2022.11)

Published 2021-12-05. Last modified 2026-06-17.