What is CVE-2021-40163?

CVE-2021-40163 is a high-severity vulnerability in Autodesk Autocad, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-10-07.

How severe is CVE-2021-40163?

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

Buffer overflow in Autodesk Autocad

CVE-2021-40163

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

Vulnerability class: Buffer Overflow

Published 2022-10-07 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.009 (59.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.autodesk.com/trust/security-advisories/adsk-sa-2021-0011 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-40163?: CVE-2021-40163 is a high-severity vulnerability in Autodesk Autocad, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-10-07.
How severe is CVE-2021-40163?: High severity. CVSS v3 base score is 7.8 out of 10.