CVE-2021-32946

Name: CVE-2021-32946
Creator: NVD / NIST
Published: 2021-06-17T12:15:08.023+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 2.80%

Last modified Jun 17, 2026

CVE-2021-32946 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An improper check for unusual or exceptional conditions issue exists within the parsing DGN files from Drawings SDK (Version 2022.4 and prior) resulting from the lack of proper validation of the user-supplied data. This may result in several of out-of-bounds problems and allow attackers to cause a denial-of-service condition or execute code in the context of the current process.. EPSS estimates a 2.80% chance of exploitation in the next 30 days.

Description

An improper check for unusual or exceptional conditions issue exists within the parsing DGN files from Drawings SDK (Version 2022.4 and prior) resulting from the lack of proper validation of the user-supplied data. This may result in several of out-of-bounds problems and allow 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

2.80%

84.7th 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	< 13.2.0.2
Siemens	Teamcenter Visualization	< 13.2.0.2

References

https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdfPatch, Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-938030.pdfThird Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02Third Party Advisory, US Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-21-983/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-985/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-938030.pdfThird Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02Third Party Advisory, US Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-21-983/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-985/Third Party Advisory, VDB Entry

Timeline

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

Frequently Asked Questions

What is CVE-2021-32946?

How severe is CVE-2021-32946?

CVE-2021-32946 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.80% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32946?

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-2021-32946?

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

Scan your code now

Source: NVD / NIST