VULNERABILITY INTELLIGENCE

CVE-2021-43390

CVSS score7.8 HIGH
EPSS probability1.70%
CISA KEVNot currently listed
Published2021-11-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

  • CWE-787: Out-of-bounds Write

Primary references