What is CVE-2021-27039?

CVE-2021-27039 is a high-severity vulnerability in Autodesk Autocad, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-07-09.

How severe is CVE-2021-27039?

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

Buffer overflow in Autodesk Autocad

CVE-2021-27039

A maliciously crafted TIFF and PCX file can be forced to read and write beyond allocated boundaries when parsing the TIFF and PCX file for based overflow. This vulnerability can be exploited to execute arbitrary code.

Vulnerability class: Buffer Overflow

Published 2021-07-09 · 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: 0.016 (75.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Autodesk Autocad
Autodesk Design Review — versions 2011, 2012, 2013
Autodesk Design Review — versions 2018, 2017, 2013, 2012, 2011

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.autodesk.com/trust/security-advisories/adsk-sa-2022-0004 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-27039?: CVE-2021-27039 is a high-severity vulnerability in Autodesk Autocad, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-07-09.
How severe is CVE-2021-27039?: High severity. CVSS v3 base score is 7.8 out of 10.