CVE-2021-27033

Double Free File Parsing Vulnerability in Autodesk Design Review

8.1 High

A maliciously crafted PDF file, when opened by a user in Autodesk Design Review, can trigger a Double Free vulnerability in the Autodesk Design Review application. A malicious actor may leverage this vulnerability to cause memory corruption and execute arbitrary code in the context of the current process.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

3.02%Up 2.1 points since Jul 10, 2021

What each source reports

CVE List Score used 8.1

Double Free File Parsing Vulnerability in Autodesk Design Review

Record: CVE-2021-27033
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness: CWE-415
Updated: 2026-11-02

EUVDEUVD-2021-13804 8.1

Record: EUVD-2021-13804
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-65m4-497r-hv9h 7.8

A Double Free vulnerability allows remote attackers to execute arbitrary code on PDF files within...

A Double Free vulnerability allows remote attackers to execute arbitrary code on PDF files within affected installations of Autodesk Design Review. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

Record: GHSA-65m4-497r-hv9h
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-415
Updated: 2026-11-02

NVD 8.1

Record: CVE-2021-27033
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-415
Updated: 2026-11-02

Affected products

autodesk design review

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-27033 is a high vulnerability (CVSS 8.1) in Autodesk Design Review, published July 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.02%, the 87th percentile. No source names a fixed version.