CVE-2021-43390: 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 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 of input data 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)

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