{"id":"CVE-2021-25176","aliases":["EUVD-2021-12087","GHSA-j2rh-4mpc-95mq"],"status":"published","title":"An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A NULL pointer...","description":"An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A NULL pointer dereference exists when rendering malformed .DXF and .DWG files. This can allow attackers to cause a crash, potentially enabling a denial of service attack (Crash, Exit, or Restart).","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":"2026-11-11","score":0.02314,"percentile":0.83632,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2021-01-18T07:13:46Z","modified":"2026-06-17T03:41:35Z","products":[{"vendor":"opendesign","product":"drawings_software_development_kit"},{"vendor":"siemens","product":"comos"},{"vendor":"siemens","product":"jt2go"},{"vendor":"siemens","product":"teamcenter_visualization"}],"references":[{"url":"https://www.opendesign.com/security-advisories","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-221/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-222/","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-2021-25176"},{"url":"https://github.com/advisories/GHSA-j2rh-4mpc-95mq"}],"sources":{"cve":[{"id":"CVE-2021-25176","description":"An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A NULL pointer dereference exists when rendering malformed .DXF and .DWG files. This can allow attackers to cause a crash, potentially enabling a denial of service attack (Crash, Exit, or Restart).","status":"published","published":"2021-01-18T07:13:46Z","modified":"2024-08-03T19:56:10.73Z","updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-12087","description":"An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A NULL pointer dereference exists when rendering malformed .DXF and .DWG files. This can allow attackers to cause a crash, potentially enabling a denial of service attack (Crash, Exit, or Restart).","status":"published","published":"2021-01-18T07:13:46Z","modified":"2024-08-03T19:56:10Z","updated_at":"2026-11-03T03:24:53.85348Z"}],"ghsa":[{"id":"GHSA-j2rh-4mpc-95mq","title":"An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A NULL pointer...","description":"An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A NULL pointer dereference exists when rendering malformed .DXF and .DWG files. This can allow attackers to cause a crash, potentially enabling a denial of service attack (Crash, Exit, or Restart). This is issue 2 of 3.","status":"published","published":"2022-05-24T17:39:25Z","modified":"2023-01-29T05:05:04Z","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-476"],"updated_at":"2026-11-02T14:45:42.123832Z"}],"nvd":[{"id":"CVE-2021-25176","description":"An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A NULL pointer dereference exists when rendering malformed .DXF and .DWG files. This can allow attackers to cause a crash, potentially enabling a denial of service attack (Crash, Exit, or Restart).","status":"published","published":"2021-01-18T08:15:13.227Z","modified":"2026-06-17T03:41:35.9Z","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-476"],"updated_at":"2026-11-02T14:06:49.284888Z"}]}}