CVE-2021-43274

Name: CVE-2021-43274
Creator: NVD / NIST
Published: 2021-11-14T21:15:07.95+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.85%

Last modified Jun 17, 2026

CVE-2021-43274 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A Use After Free Vulnerability exists in the Open Design Alliance Drawings SDK before 2022.11. The specific flaw exists within the parsing of DWF files. EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

A Use After Free Vulnerability exists in the Open Design Alliance Drawings SDK before 2022.11. The specific flaw exists within the parsing of DWF 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 in conjunction with other vulnerabilities to execute arbitrary 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 Software Development Kit	< 2022.11

References

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

Timeline

Published: Nov 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43274?

How severe is CVE-2021-43274?

CVE-2021-43274 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-2021-43274?

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-2021-43274?

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

Scan your code now

Source: NVD / NIST