{"id":"CVE-2021-32944","aliases":["EUVD-2021-19665","GHSA-vp45-9px8-7xw8"],"status":"published","title":"A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions...","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.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02668,"percentile":0.85865,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2021-06-17T12:50:37Z","modified":"2026-06-17T03:53:50Z","products":[{"vendor":"open design alliance","product":"drawings sdk"},{"vendor":"opendesign","product":"drawings_sdk"},{"vendor":"siemens","product":"comos"},{"vendor":"siemens","product":"jt2go"},{"vendor":"siemens","product":"teamcenter_visualization"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-987/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-990/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32944"},{"url":"https://github.com/advisories/GHSA-vp45-9px8-7xw8"}],"sources":{"cve":[{"id":"CVE-2021-32944","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.","status":"published","published":"2021-06-17T12:50:37Z","modified":"2024-08-03T23:33:55.939Z","cwes":["CWE-416"],"updated_at":"2026-11-02T14:33:07.014772Z"}],"euvd":[{"id":"EUVD-2021-19665","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.","status":"published","published":"2021-06-17T12:50:37Z","modified":"2024-08-03T23:33:55Z","updated_at":"2026-11-03T03:24:35.30045Z"}],"ghsa":[{"id":"GHSA-vp45-9px8-7xw8","title":"A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions...","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.","status":"published","published":"2022-05-24T19:05:37Z","modified":"2023-01-29T05:07:02Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:46:08.233339Z"}],"nvd":[{"id":"CVE-2021-32944","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.","status":"published","published":"2021-06-17T13:15:08.083Z","modified":"2026-06-17T03:53:50.783Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:06:54.892562Z"}]}}