CVE-2021-25176

moderate-risk
Published 2021-01-18

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).

Do I need to act?

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0.36% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (4)

Drawings Software Development Kit

Affected Vendors

Siemens Opendesign

References (10)

Patch https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
Patch https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf
Vendor Advisory https://www.opendesign.com/security-advisories
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-221/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-222/
Patch https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
Patch https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf
Vendor Advisory https://www.opendesign.com/security-advisories
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-221/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-222/
35
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 10/34 · Low