CVE-2021-27486 Integer overflow in FATEK Automation WinProladder

High 7.8 Published 12 Apr 2021 Updated 3 Aug 2024

An integer underflow in FATEK WinProladder allows attackers to execute arbitrary code via out-of-bounds writes.

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-2021-27486?

CVE-2021-27486 is a high-severity vulnerability in FATEK Automation WinProladder, published on 12 Apr 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 WinProladder Versions 3.30 and prior is vulnerable to an integer underflow, which may cause an out-of-bounds write and allow an attacker to execute arbitrary code.

Weakness: CWE-191

Which versions are affected by CVE-2021-27486?

It affects 1 product.

Products include Fatek Winproladder.

How do I fix CVE-2021-27486?

No fix has been published for CVE-2021-27486 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-27486 being exploited?

There is no known exploitation of CVE-2021-27486 in the wild and no public exploit code.

Sources

Also known as GHSA-w8rx-73fm-r2mv.