Zero-Day Advisory

Fortinet Discovers Autodesk AutoCAD Products Out-of-Bounds Read Vulnerability


Fortinet's FortiGuard Labs has discovered an Out-of-Bounds read vulnerability in Autodesk AutoCAD products.

Autodesk is a multinational software corporation that makes software products and services for the architecture, engineering, construction, manufacturing, media, education, and entertainment industries. AutoCAD is a commercial computer-aided design (CAD) and drafting software application.

An Out-of-Bounds Read vulnerability has been discovered in Autodesk AutoCAD products by FortiGuard Labs. The vulnerability is caused by a crafted DWG file which causes an Out-of-Bounds read. It could allow malicious users to create code execution scenarios.


FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

Released Jun 22, 2021

Users should apply the solution provided by Autodesk.


Fortinet reported the vulnerability to Autodesk on December 8, 2020.

Autodesk confirmed the vulnerability on December 9, 2020.

Autodesk patched the vulnerability on June 17, 2021.


This vulnerability was discovered by Yonghui Han of Fortinet's FortiGuard Labs.

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.