{"id":"CVE-2021-43391","aliases":["EUVD-2021-30326","GHSA-hx65-7cc8-9862"],"status":"published","title":"An Out-of-Bounds Read vulnerability exists when reading a DXF file using Open Design Alliance...","description":"An Out-of-Bounds Read vulnerability exists when reading a DXF file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DXF files. Crafted data in a DXF file (an invalid dash counter in line types) can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to 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":"2026-11-09","score":0.01681,"percentile":0.77113,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2021-11-14T00:00:00Z","modified":"2026-06-17T04:10:53Z","products":[{"vendor":"opendesign","product":"drawings_software_development_kit"}],"references":[{"url":"https://www.opendesign.com/security-advisories","tags":["x_transferred","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1352/","tags":["x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1361/","tags":["x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-491245.pdf","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43391"},{"url":"https://github.com/advisories/GHSA-hx65-7cc8-9862"}],"sources":{"cve":[{"id":"CVE-2021-43391","description":"An Out-of-Bounds Read vulnerability exists when reading a DXF file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DXF files. Crafted data in a DXF file (an invalid dash counter in line types) can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.","status":"published","published":"2021-11-14T00:00:00Z","modified":"2024-08-04T03:55:28.535Z","updated_at":"2026-11-02T14:32:56.689433Z"}],"euvd":[{"id":"EUVD-2021-30326","description":"An Out-of-Bounds Read vulnerability exists when reading a DXF file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DXF files. Crafted data in a DXF file (an invalid dash counter in line types) can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.","status":"published","published":"2021-11-14T00:00:00Z","modified":"2024-08-04T03:55:28Z","updated_at":"2026-11-03T03:24:14.245608Z"}],"ghsa":[{"id":"GHSA-hx65-7cc8-9862","title":"An Out-of-Bounds Read vulnerability exists when reading a DXF file using Open Design Alliance...","description":"An Out-of-Bounds Read vulnerability exists when reading a DXF file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DXF files. Crafted data in a DXF file (an invalid dash counter in line types) can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.","status":"published","published":"2022-05-24T19:20:38Z","modified":"2023-02-14T12:30:25Z","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-125"],"updated_at":"2026-11-02T14:54:07.544087Z"}],"nvd":[{"id":"CVE-2021-43391","description":"An Out-of-Bounds Read vulnerability exists when reading a DXF file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DXF files. Crafted data in a DXF file (an invalid dash counter in line types) can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.","status":"published","published":"2021-11-14T21:15:08.353Z","modified":"2026-06-17T04:10:53.997Z","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-125"],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}