{"cve":"CVE-2021-25173","nvd":{"published":"2021-01-18T08:15:13.023","modified":"2026-06-17T03:41:35.510","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-770"],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf","https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf","https://www.opendesign.com/security-advisories","https://www.zerodayinitiative.com/advisories/ZDI-21-225/","https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf"],"products":["opendesign:drawings_software_development_kit","siemens:comos","siemens:jt2go","siemens:teamcenter_visualization"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2021-25173","score":0.02314,"percentile":0.83408,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}