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TI-2021-17340 Aliases CVE-2021-40158GHSA-8pc8-96q3-294c

Out-of-bounds read in Inventor

Priority MEDIUM 41CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02885 86th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Inventor2022, 2021, 2020, 2019—No fix listedCNA
  • Inventor Vendor— Affected 2022, 2021, 2020, 2019 Fixed in — No fix listed CNA

CPE configurations NVD · 14

CPEVersionsRoleVendor
cpe:2.3:a:autodesk:advance_steel:*:*:*:*:*:*:*:*2022 to before 2022.1.2VulnerableAutodesk
cpe:2.3:a:autodesk:autocad:*:*:*:*:*:*:*:*2022 to before 2022.1.2VulnerableAutodesk
cpe:2.3:a:autodesk:autocad_architecture:*:*:*:*:*:*:*:*2022 to before 2022.1.2VulnerableAutodesk
cpe:2.3:a:autodesk:autocad_electrical:*:*:*:*:*:*:*:*2022 to before 2022.1.2VulnerableAutodesk
cpe:2.3:a:autodesk:autocad_lt:*:*:*:*:*:*:*:*2022 to before 2022.1.2VulnerableAutodesk
cpe:2.3:a:autodesk:autocad_map_3d:*:*:*:*:*:*:*:*2022 to before 2022.1.2VulnerableAutodesk
cpe:2.3:a:autodesk:autocad_mechanical:*:*:*:*:*:*:*:*2022 to before 2022.1.2VulnerableAutodesk
cpe:2.3:a:autodesk:autocad_mep:*:*:*:*:*:*:*:*2022 to before 2022.1.2VulnerableAutodesk
cpe:2.3:a:autodesk:autocad_plant_3d:*:*:*:*:*:*:*:*2022 to before 2022.1.2VulnerableAutodesk
cpe:2.3:a:autodesk:civil_3d:*:*:*:*:*:*:*:*2022 to before 2022.1.2VulnerableAutodesk
  • cpe:2.3:a:autodesk:advance_steel:*:*:*:*:*:*:*:* Versions 2022 to before 2022.1.2 Vulnerable ·Autodesk
  • cpe:2.3:a:autodesk:autocad:*:*:*:*:*:*:*:* Versions 2022 to before 2022.1.2 Vulnerable ·Autodesk
  • cpe:2.3:a:autodesk:autocad_architecture:*:*:*:*:*:*:*:* Versions 2022 to before 2022.1.2 Vulnerable ·Autodesk
  • cpe:2.3:a:autodesk:autocad_electrical:*:*:*:*:*:*:*:* Versions 2022 to before 2022.1.2 Vulnerable ·Autodesk
  • cpe:2.3:a:autodesk:autocad_lt:*:*:*:*:*:*:*:* Versions 2022 to before 2022.1.2 Vulnerable ·Autodesk
  • cpe:2.3:a:autodesk:autocad_map_3d:*:*:*:*:*:*:*:* Versions 2022 to before 2022.1.2 Vulnerable ·Autodesk
  • cpe:2.3:a:autodesk:autocad_mechanical:*:*:*:*:*:*:*:* Versions 2022 to before 2022.1.2 Vulnerable ·Autodesk
  • cpe:2.3:a:autodesk:autocad_mep:*:*:*:*:*:*:*:* Versions 2022 to before 2022.1.2 Vulnerable ·Autodesk
  • cpe:2.3:a:autodesk:autocad_plant_3d:*:*:*:*:*:*:*:* Versions 2022 to before 2022.1.2 Vulnerable ·Autodesk
  • cpe:2.3:a:autodesk:civil_3d:*:*:*:*:*:*:*:* Versions 2022 to before 2022.1.2 Vulnerable ·Autodesk
Show 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:autodesk:inventor:*:*:*:*:*:*:*:*2022 to before 2022.2VulnerableAutodesk
cpe:2.3:a:autodesk:inventor:2019:*:*:*:*:*:*:*2019VulnerableAutodesk
cpe:2.3:a:autodesk:inventor:2020:*:*:*:*:*:*:*2020VulnerableAutodesk
cpe:2.3:a:autodesk:inventor:2021:*:*:*:*:*:*:*2021VulnerableAutodesk
  • cpe:2.3:a:autodesk:inventor:*:*:*:*:*:*:*:* Versions 2022 to before 2022.2 Vulnerable ·Autodesk
  • cpe:2.3:a:autodesk:inventor:2019:*:*:*:*:*:*:* Versions 2019 Vulnerable ·Autodesk
  • cpe:2.3:a:autodesk:inventor:2020:*:*:*:*:*:*:* Versions 2020 Vulnerable ·Autodesk
  • cpe:2.3:a:autodesk:inventor:2021:*:*:*:*:*:*:* Versions 2021 Vulnerable ·Autodesk

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-40158
  2. 2026-10-03 Alias added: GHSA-8pc8-96q3-294c
  3. 2026-10-08 CISA SSVC decision points changed
  4. 2026-10-09 Priority changed: LOW → MEDIUM

References

  • TI-2021-17341 Information disclosure in Inventor CVSS 3.1HIGH 7.8
  • TI-2022-09360 Out-of-bounds write in Autodesk Advanced Steel, Civil 3D, AutoCAD, AutoCAD LT, AutoCAD… CVSS 3.1HIGH 7.8
  • TI-2024-15258 Multiple Vulnerabilities in the Autodesk AutoCAD Desktop Software CVSS 3.1HIGH 7.8
  • TI-2021-08615 Improper handling of exceptional conditions in Autodesk Advanced Steel, Civil 3D… CVSS 3.1HIGH 7.8
  • TI-2019-05247 Uncontrolled search path in Autodesk Advanced Steel, Civil 3D, AutoCAD, AutoCAD LT… CVSS 3.0HIGH 7.8
  • TI-2024-15256 Multiple Vulnerabilities in the Autodesk AutoCAD Desktop Software CVSS 3.1HIGH 7.8
See all 94 →

Sources