CVE-2021-32946

moderate-risk
Published 2021-06-17

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.

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
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (4)

Affected Vendors

Siemens Opendesign

References (10)

Patch https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-938030.pdf
Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-983/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-985/
Patch https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-938030.pdf
Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-983/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-985/
35
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 10/34 · Low