CVE-2020-27259 Omron CX-One

High 8.8 Published 9 Feb 2021 Updated 16 Sep 2024

An attacker can remotely execute arbitrary code by supplying a pointer to arbitrary memory locations in Omron CX-One software.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2020-27259?

CVE-2020-27259 is a high-severity memory corruption vulnerability in Omron CX-One, published on 9 Feb 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The Omron CX-One Version 4.60 and prior may allow an attacker to supply a pointer to arbitrary memory locations, which may allow an attacker to remotely execute arbitrary code.

Weakness: CWE-822

Which versions are affected by CVE-2020-27259?

It affects 4 products.

Products include Omron Cx-One, Omron Cx-Position, Omron Cx-Protocol, Omron Cx-Server.

How do I fix CVE-2020-27259?

No fix has been published for CVE-2020-27259 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-2020-27259 being exploited?

There is no known exploitation of CVE-2020-27259 in the wild and no public exploit code.

Sources

Also known as GHSA-4wpc-25h6-9fv9.