{"cve":"CVE-2021-32944","nvd":{"published":"2021-06-17T13:15:08.083","modified":"2026-06-17T03:53:50.783","status":"Modified","description":"A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or execute code in the context of the current process.","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-416"],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf","https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf","https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02","https://www.zerodayinitiative.com/advisories/ZDI-21-987/","https://www.zerodayinitiative.com/advisories/ZDI-21-990/"],"products":["opendesign:drawings_sdk","siemens:comos","siemens:jt2go","siemens:teamcenter_visualization"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-32944","score":0.02668,"percentile":0.85743,"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."]}