CVE-2021-25173

moderate-risk
Published 2021-01-18

An issue was discovered in Open Design Alliance Drawings SDK before 2021.12. A memory allocation with excessive size vulnerability exists when reading malformed DGN files, which allows attackers to cause a crash, potentially enabling denial of service (crash, exit, or restart).

Do I need to act?

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0.33% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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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 (8)

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-21-225/
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-21-225/
35
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 10/34 · Low