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CVE-2021-40158

HIGH
7.8
CVSS Score
Published: January 25, 2022 at 12:00 AM UTC
Updated: October 8, 2026 at 09:17 PM UTC
11 products affected across 1 vendorAutoCADAutoCAD ElectricalCivil 3D

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Severity
HIGH7.8
Exploit prediction
EPSS 3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Advance Steel· Autodesk
95%
2022 ≤ v < 2022.1.2*
Affected range stops below 2022.1.2, so it looks safe — our inference, not a vendor statement
AutoCAD· Autodesk
95%
2022 ≤ v < 2022.1.2*
Affected range stops below 2022.1.2, so it looks safe — our inference, not a vendor statement
AutoCAD Architecture· Autodesk
95%
2022 ≤ v < 2022.1.2*
Affected range stops below 2022.1.2, so it looks safe — our inference, not a vendor statement
AutoCAD Electrical· Autodesk
95%
2022 ≤ v < 2022.1.2*
Affected range stops below 2022.1.2, so it looks safe — our inference, not a vendor statement
AutoCAD LT· Autodesk
95%
2022 ≤ v < 2022.1.2*
Affected range stops below 2022.1.2, so it looks safe — our inference, not a vendor statement
AutoCAD MAP 3D· Autodesk
95%
2022 ≤ v < 2022.1.2*
Affected range stops below 2022.1.2, so it looks safe — our inference, not a vendor statement
AutoCAD Mechanical· Autodesk
95%
2022 ≤ v < 2022.1.2*
Affected range stops below 2022.1.2, so it looks safe — our inference, not a vendor statement
AutoCAD MEP· Autodesk
95%
2022 ≤ v < 2022.1.2*
Affected range stops below 2022.1.2, so it looks safe — our inference, not a vendor statement
AutoCAD Plant 3D· Autodesk
95%
2022 ≤ v < 2022.1.2*
Affected range stops below 2022.1.2, so it looks safe — our inference, not a vendor statement
Civil 3D· Autodesk
95%
2022 ≤ v < 2022.1.2*
Affected range stops below 2022.1.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (22)

Vendor Advisory
Source: [email protected]
https://www.autodesk.com/trust/security-advisories/adsk-sa-2022-0002
Third Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-22-281/
Third Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-22-283/
Third Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-22-284/
Third Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-22-285/
Third Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-22-286/
Third Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-22-287/
Third Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-22-288/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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