What’s Vulnerable › Vulnerabilities

CVE-2021-43582

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-22 · updated 2026-06-17
• Weakness: CWE-416

Description

A Use-After-Free Remote Vulnerability exists when reading a DWG file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DWG files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected products

• Open Design Alliance ODA Drawings SDK - All Versions < 2024.12: before 2022.11 — fixed in 2022.11

How to fix

Upgrade to a fixed version: Open Design Alliance ODA Drawings SDK - All Versions < 2024.12 2022.11. Check the vendor advisory for mitigations.

References

• https://www.opendesign.com/security-advisories
• https://www.zerodayinitiative.com/advisories/ZDI-21-1353/
• https://www.opendesign.com/security-advisories
• https://www.zerodayinitiative.com/advisories/ZDI-21-1353/

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