CVE-2021-43582: Open Design Alliance (ODA) Drawings Explorer DWG File Parsing Use-After-Free Remote Code Execution Vulnerability

Published Nov 22, 2021
·
Updated

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.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Open Design Alliance (ODA) Drawings Explorer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw 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 Software

2 affected components
Open Design Alliance (ODA) Drawings Explorer
Opendesign Drawings Sdk<2022.11

Event History

Nov 22, 2021
CVE Published
via MITRE·08:55 AM
Data Sourced
via MITRE·08:55 AM
Description
Mar 25, 2025
Advisory Published
via ZDI·01:06 AM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the vulnerability ID for this Open Design Alliance (ODA) Drawings Explorer vulnerability?

The vulnerability ID for this Open Design Alliance (ODA) Drawings Explorer vulnerability is CVE-2021-43582.

2

What is the severity of CVE-2021-43582?

The severity of CVE-2021-43582 is high, with a severity value of 7.8.

3

How can remote attackers exploit CVE-2021-43582?

Remote attackers can exploit CVE-2021-43582 by executing arbitrary code on affected installations of Open Design Alliance (ODA) Drawings Explorer, requiring user interaction through visiting a malicious page or opening a malicious file.

4

Which software is affected by CVE-2021-43582?

Open Design Alliance (ODA) Drawings Explorer and Opendesign Drawings SDK are affected by CVE-2021-43582.

5

Where can I find more information about CVE-2021-43582?

More information about CVE-2021-43582 can be found on the Open Design Alliance (ODA) security advisories page and the Zero Day Initiative advisories page.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203