CVE-2021-32990 Memory corruption in FATEK Automation WinProladder

Critical 9.8 Published 29 Jun 2021 Updated 3 Aug 2024

An out-of-bounds read in FATEK Automation WinProladder allows attackers to execute arbitrary code, posing a risk to industrial control systems.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-32990?

CVE-2021-32990 is a critical memory corruption vulnerability in FATEK Automation WinProladder, published on 29 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

FATEK Automation WinProladder Versions 3.30 and prior are vulnerable to an out-of-bounds read, which may allow an attacker to execute arbitrary code.

Weakness: CWE-125

Which versions are affected by CVE-2021-32990?

It affects 1 product.

Products include Fatek Winproladder.

How do I fix CVE-2021-32990?

No fix has been published for CVE-2021-32990 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-2021-32990 being exploited?

There is no known exploitation of CVE-2021-32990 in the wild and no public exploit code.

Sources

Also known as GHSA-qqg5-mc63-w7ch.