CVE-2021-32944

Name: CVE-2021-32944
Creator: NVD / NIST
Published: 2021-06-17T13:15:08.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 2.67%

Last modified Jun 17, 2026

CVE-2021-32944 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or execute code in the context of the current process.. EPSS estimates a 2.67% chance of exploitation in the next 30 days.

Description

A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or 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

2.67%

83.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Opendesign	Drawings Sdk	< 2022.4
Siemens	Comos	< 10.4.1
Siemens	Jt2go	< 13.2.0.1
Siemens	Teamcenter Visualization	< 13.2.0.1

References

https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdfPatch, Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdfPatch, Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02Third Party Advisory, US Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-21-987/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-990/Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdfPatch, Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdfPatch, Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02Third Party Advisory, US Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-21-987/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-990/Third Party Advisory, VDB Entry

Timeline

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

Frequently Asked Questions

What is CVE-2021-32944?

How severe is CVE-2021-32944?

CVE-2021-32944 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.67% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32944?

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-2021-32944?

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

Scan your code now

Source: NVD / NIST