CVE-2021-43272

Name: CVE-2021-43272
Creator: NVD / NIST
Published: 2021-11-14T21:15:07.85+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.52%

Last modified Jun 17, 2026

CVE-2021-43272 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An improper handling of exceptional conditions vulnerability exists in Open Design Alliance ODA Viewer sample before 2022.11. ODA Viewer continues to process invalid or malicious DWF files instead of stopping upon an exception. EPSS estimates a 3.52% chance of exploitation in the next 30 days.

Description

An improper handling of exceptional conditions vulnerability exists in Open Design Alliance ODA Viewer sample before 2022.11. ODA Viewer continues to process invalid or malicious DWF files instead of stopping upon an exception. An attacker can leverage this vulnerability to execute code in the context of the current process.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

3.52%

87.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-755

Affected Software

Vendor	Product	Versions
Opendesign	Oda Viewer	< 2022.11

References

https://www.opendesign.com/security-advisoriesVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1358/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-1360/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-1363/Third Party Advisory, VDB Entry
https://www.opendesign.com/security-advisoriesVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1358/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-1360/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-1363/Third Party Advisory, VDB Entry

Timeline

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

Frequently Asked Questions

What is CVE-2021-43272?

How severe is CVE-2021-43272?

CVE-2021-43272 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.52% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43272?

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-2021-43272?

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

Scan your code now

Source: NVD / NIST