CVE-2021-38438 FATEK Automation WinProladder

High 7.8 Published 18 Oct 2021 Updated 16 Sep 2024

A use-after-free flaw in FATEK WinProladder allows arbitrary code execution when a user opens a malicious project file.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-38438?

CVE-2021-38438 is a high-severity use after free vulnerability in FATEK Automation WinProladder, published on 18 Oct 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 vulnerability in FATEK Automation WinProladder versions 3.30 and prior may be exploited when a valid user opens a malformed project file, which may allow arbitrary code execution.

Weakness: CWE-416

Which versions are affected by CVE-2021-38438?

It affects 1 product.

Products include Fatek Winproladder.

How do I fix CVE-2021-38438?

No fix has been published for CVE-2021-38438 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-2021-38438 being exploited?

There is no known exploitation of CVE-2021-38438 in the wild and no public exploit code.

Sources

Also known as GHSA-vpcj-jqjr-jhj9.