CVE-2021-40163 Memory corruption in Revit, Inventor, Infraworks, Navisworks, Fusion, Infrastructure Parts Editors, Autodesk Advanced Steel, Civil 3D, AutoCAD, AutoCAD LT, AutoCAD Architecture, AutoCAD Electrical, AutoCAD Map 3D, AutoCAD Mechanical, AutoCAD MEP, AutoCAD Plant 3D

High 7.8 Published 7 Oct 2022 Updated 4 Aug 2024

Attackers can execute arbitrary code via malicious DLL files in Autodesk Image Processing components, affecting multiple CAD applications.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-40163?

CVE-2021-40163 is a high-severity memory corruption vulnerability in Autodesk Autocad, published on 7 Oct 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A Memory Corruption vulnerability may lead to code execution through maliciously crafted DLL files through Autodesk Image Processing component.

Weakness: CWE-787

Which versions are affected by CVE-2021-40163?

It affects 19 products.

Products include Autodesk Autocad, Autodesk Autocad Advance Steel, Autodesk Autocad Architecture, Autodesk Autocad Civil 3d, Autodesk Autocad Electrical, Autodesk Autocad Lt and 13 more.

How do I fix CVE-2021-40163?

No fix has been published for CVE-2021-40163 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-40163 being exploited?

There is no known exploitation of CVE-2021-40163 in the wild and no public exploit code.

All Autodesk Autocad vulnerabilities

Sources

Also known as GHSA-4f6r-fm5m-93qf.