What is CVE-2021-40166?

CVE-2021-40166 is a high-severity vulnerability in Autodesk Autocad, classified under Use After Free. CVSS score: 7.8/10. Published 2022-10-07.

How severe is CVE-2021-40166?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Autodesk Autocad

CVE-2021-40166

A maliciously crafted PNG file in Autodesk Image Processing component may be used to attempt to free an object that has already been freed while parsing them. This vulnerability may be exploited by attackers to execute arbitrary code.

Vulnerability class: Use-After-Free

EPSS: 0.009 (56.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Autodesk Autocad
Autodesk Autocad_advance_steel
Autodesk Autocad_architecture
Autodesk Autocad_civil_3d
Autodesk Autocad_electrical
Autodesk Autocad_lt
Autodesk Autocad_map_3d
Autodesk Autocad_mechanical
Autodesk Autocad_mep
Autodesk Autocad_plant_3d

Weakness classification (CWE)

CWE-416 — Use After Free

References

psirt@autodesk.com (Vendor Advisory)

Frequently asked questions

What is CVE-2021-40166?: CVE-2021-40166 is a high-severity vulnerability in Autodesk Autocad, classified under Use After Free. CVSS score: 7.8/10. Published 2022-10-07.
How severe is CVE-2021-40166?: High severity. CVSS v3 base score is 7.8 out of 10.