CVE-2021-40158
HIGHCVSS 7.8/10EPSS 2.89%
Last modified
CVE-2021-40158 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 2.89% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Autodesk | Advance Steel | >= 2022, < 2022.1.2 |
| Autodesk | Autocad | >= 2022, < 2022.1.2 |
| Autodesk | Autocad Architecture | >= 2022, < 2022.1.2 |
| Autodesk | Autocad Electrical | >= 2022, < 2022.1.2 |
| Autodesk | Autocad Lt | >= 2022, < 2022.1.2 |
| Autodesk | Autocad Map 3d | >= 2022, < 2022.1.2 |
| Autodesk | Autocad Mechanical | >= 2022, < 2022.1.2 |
| Autodesk | Autocad Mep | >= 2022, < 2022.1.2 |
| Autodesk | Autocad Plant 3d | >= 2022, < 2022.1.2 |
| Autodesk | Civil 3d | >= 2022, < 2022.1.2 |
| Autodesk | Inventor | >= 2022, < 2022.2 |
| Autodesk | Inventor | 2019 |
| Autodesk | Inventor | 2020 |
| Autodesk | Inventor | 2021 |
References
- 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
- 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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-40158?
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.
How severe is CVE-2021-40158?
CVE-2021-40158 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.89% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40158?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-40158?
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Scan your code nowSource: NVD / NIST