CVE-2021-22662 Use after free in Fatek FvDesigner

What is CVE-2021-22662?

CVE-2021-22662 is a high-severity use after free vulnerability in Fatek FvDesigner, published on 3 Mar 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A use after free issue has been identified in Fatek FvDesigner Version 1.5.76 and prior in the way the application processes project files, allowing an attacker to craft a special project file that may permit arbitrary code execution.

Weakness: CWE-416

Which versions are affected by CVE-2021-22662?

It affects 1 product.

Products include Fatek Fvdesigner.

How do I fix CVE-2021-22662?

No fix has been published for CVE-2021-22662 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2021-22662 being exploited?

There is no known exploitation of CVE-2021-22662 in the wild and no public exploit code.

Other vulnerabilities in Fatek FvDesigner

• CVE-2023-34262 Fatek Automation FvDesigner FPJ File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability High 7.8
• CVE-2023-34263 Fatek Automation FvDesigner FPJ File Parsing Uninitialized Pointer Remote Code Execution Vulnerability High 7.8
• CVE-2023-34264 Fatek Automation FvDesigner FPJ File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability High 7.8
• CVE-2023-34265 Fatek Automation FvDesigner FPJ File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability High 7.8
• CVE-2023-34266 Fatek Automation FvDesigner FPJ File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-m6mv-2cmv-2vpr.