CVE-2021-32947 Memory corruption in FATEK Automation FvDesigner

High 7.8 Published Updated

A stack-based buffer overflow in FATEK Automation FvDesigner allows attackers to execute arbitrary code, posing a risk to industrial control system environments.

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-2021-32947?

CVE-2021-32947 is a high-severity memory corruption vulnerability in FATEK Automation FvDesigner, published on 11 Aug 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

FATEK Automation FvDesigner, Versions 1.5.88 and prior is vulnerable to a stack-based buffer overflow, which may allow an attacker to execute arbitrary code.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2021-32947?

It affects 1 product.

Products include Fatek Fvdesigner.

How do I fix CVE-2021-32947?

No fix has been published for CVE-2021-32947 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-32947 being exploited?

There is no known exploitation of CVE-2021-32947 in the wild and no public exploit code.

Sources

Also known as GHSA-674w-r289-4237.

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