CVE-2021-32944

moderate-risk
Published 2021-06-17

A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or execute code in the context of the current process.

Do I need to act?

-
0.33% chance of exploitation
EPSS score — low exploit probability
-
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
Patch https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf
Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-987/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-990/
Patch https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
Patch https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf
Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-987/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-990/
35
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 10/34 · Low