CVE-2021-25178
A stack-based buffer overflow vulnerability exists when the recover operation is run with malformed .DXF and .DWG files.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A stack-based buffer overflow vulnerability exists when the recover operation is run with malformed .DXF and .DWG files. This can allow attackers to cause a crash potentially enabling a denial of service attack (Crash, Exit, or Restart) or possible code execution.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 3.37% probability · 89th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- opendesign/drawings software development kit · siemens/comos · siemens/jt2go · siemens/teamcenter visualization
- Source
- cve@mitre.org
EPSS 3.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdfPatch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdfPatch, Third Party Advisory
- https://www.opendesign.com/security-advisoriesVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-220/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-21-240/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-21-243/Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdfPatch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdfPatch, Third Party Advisory
- https://www.opendesign.com/security-advisoriesVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-220/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-21-240/Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-21-243/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.