CVE-2021-25176

Name: CVE-2021-25176
Creator: NVD / NIST
Published: 2021-01-18T08:15:13.227+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 2.29%

Last modified Jun 17, 2026

CVE-2021-25176 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A NULL pointer dereference exists when rendering malformed .DXF and .DWG files. EPSS estimates a 2.29% chance of exploitation in the next 30 days.

Description

An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A NULL pointer dereference exists when rendering malformed .DXF and .DWG files. This can allow attackers to cause a crash, potentially enabling a denial of service attack (Crash, Exit, or Restart).

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

2.29%

81.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Opendesign	Drawings Software Development Kit	< 2021.11
Siemens	Comos	< 10.4.1
Siemens	Jt2go	< 13.1.0.1
Siemens	Teamcenter Visualization	< 13.1.0.1

References

https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdfPatch, Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdfPatch, Third Party Advisory
https://www.opendesign.com/security-advisoriesVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-221/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-222/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-663999.pdfPatch, Third Party Advisory
https://www.opendesign.com/security-advisoriesVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-221/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-222/Third Party Advisory, VDB Entry

Timeline

Published: Jan 18, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-25176?

How severe is CVE-2021-25176?

CVE-2021-25176 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.29% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25176?

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-2021-25176?

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

Scan your code now

Source: NVD / NIST