CVE-2021-43273 json
An Out-of-bounds Read vulnerability exists in the DGN file reading procedure in Open Design Alliance Drawings SDK before 2022.11.
published 2021-11-14 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30217
- cvss
- 3.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- opendesign drawings_sdk 2022.11
Exploit prediction
1.45% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
opendesign.com
/security-advisories
vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-21-1281/
third-party-advisory, vdb-entry
-
zerodayinitiative.com
/advisories/ZDI-21-1291/
third-party-advisory, vdb-entry
-
zerodayinitiative.com
/advisories/ZDI-21-1357/
third-party-advisory, vdb-entry
-
zerodayinitiative.com
/advisories/ZDI-21-1351/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-43273
- NVD CVE-2021-43273
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