Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2021-40158

CVE-2021-40158HIGH

n/a Inventor — A maliciously crafted JT file in Autodesk Inventor 2022, 2021, 2020, 2019 and AutoCAD 2022 may be forced to read beyond allocated boundar…

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   N   R  U  H  H  H    7.8   .0289   86.7     —

AFFECTED
  Product   Versions                  Fixed
  Inventor  2022, 2021, 2020, 2019 –  —

TIMELINE
  Aug 27  Reserved by autodesk
  Jan 25  Published (CNA: autodesk)
  Oct 8   ENRICHED — CVE-2021-40158 (Inventor). Received CVSS 7.8 and CPE data from NVD.

CWE-125 · CNA: autodesk · CVSS v3.1 · 22 references · NVD status: Modified

Description

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 lead to code execution in the context of the current process.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
August 27, 2021	Reserved	Reserved by autodesk
January 25, 2022	Published	Published (CNA: autodesk)
October 8, 2026	ENRICHED	ENRICHED — CVE-2021-40158 (Inventor). Received CVSS 7.8 and CPE data from NVD.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	Inventor	—	2022, 2021, 2020, 2019	—

Weaknesses

CWE-125

References (22)

https://www.autodesk.com/trust/security-advisories/adsk-sa-2022-0002 [Vendor Advisory]
https://www.zerodayinitiative.com/advisories/ZDI-22-281/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-283/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-284/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-285/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-286/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-287/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-288/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-441/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-443/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-444/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-445/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-447/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-448/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-449/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-450/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-451/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-452/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-453/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-454/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-455/ [Third Party Advisory, VDB Entry]
https://www.zerodayinitiative.com/advisories/ZDI-22-466/ [Third Party Advisory, VDB Entry]

Authoritative record: CVE-2021-40158 at cve.org

Weaknesses: CWE-125

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-40158 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.