{"id":"CVE-2021-40158","title":"A maliciously crafted JT file in Autodesk Inventor 2022, 2021, 2020, 2019 and AutoCAD 2022 may be forced to read beyond allocated boundaries when parsing the JT file","summary":"A maliciously crafted JT file in Autodesk Inventor 2022, 2021, 2020, 2019 and AutoCAD 2022 may be forced to read beyond allocated boundaries when parsing the JT file. This vulnerability in conjunction with other vulnerabilities could lea…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-125"],"vendor":"autodesk","product":"advance_steel","affected":["advance_steel >= 2022, < 2022.1.2","autocad >= 2022, < 2022.1.2","autocad_architecture >= 2022, < 2022.1.2","autocad_electrical >= 2022, < 2022.1.2","autocad_lt >= 2022, < 2022.1.2","autocad_map_3d >= 2022, < 2022.1.2","autocad_mechanical >= 2022, < 2022.1.2","autocad_mep >= 2022, < 2022.1.2","autocad_plant_3d >= 2022, < 2022.1.2","civil_3d >= 2022, < 2022.1.2","inventor >= 2022, < 2022.2","inventor = 2019","inventor = 2020","inventor = 2021"],"patched":["advance_steel 2022.1.2","autocad 2022.1.2","autocad_architecture 2022.1.2","autocad_electrical 2022.1.2","autocad_lt 2022.1.2","autocad_map_3d 2022.1.2","autocad_mechanical 2022.1.2","autocad_mep 2022.1.2","autocad_plant_3d 2022.1.2","civil_3d 2022.1.2","inventor 2022.2"],"published":"2022-01-25","updated":"2026-10-08","sourceUpdated":"2026-10-08T21:17:41.783","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-40158","references":[{"url":"https://www.autodesk.com/trust/security-advisories/adsk-sa-2022-0002","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-281/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-283/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-284/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-285/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-286/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-287/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-288/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-441/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-443/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-444/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-445/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-447/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-448/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-449/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-450/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-451/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-452/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-453/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-454/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-455/","label":"psirt@autodesk.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-466/","label":"psirt@autodesk.com"},{"url":"https://www.autodesk.com/trust/security-advisories/adsk-sa-2022-0002","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-281/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-283/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-284/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-285/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-286/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-287/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-288/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-441/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-443/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-444/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-445/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-447/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-448/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-449/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-450/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-451/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-452/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-453/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-454/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-455/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-466/","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.02885,"epssPercentile":0.86453,"zeroDay":true,"ingestedAt":"2026-10-08T22:11:53.745Z","slug":"CVE-2021-40158","body":"## Overview\n\nA maliciously crafted JT file in Autodesk Inventor 2022, 2021, 2020, 2019 and AutoCAD 2022 may be forced to read beyond allocated boundaries when parsing the JT file. This vulnerability in conjunction with other vulnerabilities could lead to code execution in the context of the current process.\n\n## Affected\n\n- `advance_steel >= 2022, < 2022.1.2`\n- `autocad >= 2022, < 2022.1.2`\n- `autocad_architecture >= 2022, < 2022.1.2`\n- `autocad_electrical >= 2022, < 2022.1.2`\n- `autocad_lt >= 2022, < 2022.1.2`\n- `autocad_map_3d >= 2022, < 2022.1.2`\n- `autocad_mechanical >= 2022, < 2022.1.2`\n- `autocad_mep >= 2022, < 2022.1.2`\n- `autocad_plant_3d >= 2022, < 2022.1.2`\n- `civil_3d >= 2022, < 2022.1.2`\n- `inventor >= 2022, < 2022.2`\n- `inventor = 2019`\n- `inventor = 2020`\n- `inventor = 2021`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `advance_steel 2022.1.2`\n- `autocad 2022.1.2`\n- `autocad_architecture 2022.1.2`\n- `autocad_electrical 2022.1.2`\n- `autocad_lt 2022.1.2`\n- `autocad_map_3d 2022.1.2`\n- `autocad_mechanical 2022.1.2`\n- `autocad_mep 2022.1.2`\n- `autocad_plant_3d 2022.1.2`\n- `civil_3d 2022.1.2`\n- `inventor 2022.2`","depth":"abyssal","depthScore":68,"depthScoreParts":{"impact":42.9,"likelihood":0.6,"exploitation":25,"ransomware":0},"changes":[]}