CVE-2021-43273: Opendesign Drawings SDK

Low severity, CVSS 3.3. EPSS: 1.5% chance of exploitation in the next 30 days.

An Out-of-bounds Read vulnerability exists in the DGN file reading procedure in Open Design Alliance Drawings SDK before 2022.11. Crafted data in a DGN file and lack of verification of input data can trigger a read 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 2021-11-14. Last modified 2026-06-17.