CVE-2021-43273

low-risk
Published 2021-11-14

An Out-of-bounds Read vulnerability exists in the DGN file reading procedure in Open Design Alliance Drawings SDK before 2022.11. Crafted data in a DGN file and lack of verification of input data can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Do I need to act?

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0.28% 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
3
CVSS 3.3/10 Low
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Opendesign

References (10)

Vendor Advisory https://www.opendesign.com/security-advisories
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-1281/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-1291/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-1351/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-1357/
Vendor Advisory https://www.opendesign.com/security-advisories
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-1281/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-1291/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-1351/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-1357/
19
/ 100
low-risk
Severity 13/34 · Low
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal