VulnerabilityModified
CVE-2021-25173
A memory allocation with excessive size vulnerability exists when reading malformed DGN files, which allows attackers to cause a crash, potentially enabling denial of service (crash, exit, or restart).
HIGH 7.8EPSS 2.29%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.29%). 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 2021.12. A memory allocation with excessive size vulnerability exists when reading malformed DGN files, which allows attackers to cause a crash, potentially enabling denial of service (crash, exit, or restart).
- 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
- 2.29% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-770
- Affected
- opendesign/drawings software development kit · siemens/comos · siemens/jt2go · siemens/teamcenter visualization
- Source
- cve@mitre.org
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-21-225/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-21-225/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.