CVE-2021-44047

Name: CVE-2021-44047
Creator: NVD / NIST
Published: 2021-12-05T21:15:08.117+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.85%

Last modified Jun 17, 2026

CVE-2021-44047 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A use-after-free vulnerability exists when reading a DWF/DWFX file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists with parsing DWF/DWFX files. EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

A use-after-free vulnerability exists when reading a DWF/DWFX file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists with parsing DWF/DWFX files. Crafted data in a DWF/DWFX 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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.85%

53.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Opendesign	Drawings Sdk	< 2022.11

References

https://www.opendesign.com/security-advisoriesVendor Advisory
https://www.opendesign.com/security-advisoriesVendor Advisory

Timeline

Published: Dec 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44047?

How severe is CVE-2021-44047?

CVE-2021-44047 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44047?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-44047?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST