CVE-2022-2979 Omron CX-Programmer

High 7.8 Published 12 Sep 2022 Updated 16 Apr 2025

A use-after-free vulnerability in Omron CX-Programmer allows arbitrary code execution when opening a specially crafted 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-2022-2979?

CVE-2022-2979 is a high-severity use after free vulnerability in Omron CX-Programmer, published on 12 Sep 2022. 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

Opening a specially crafted file could cause the affected product to fail to release its memory reference potentially resulting in arbitrary code execution.

Weakness: CWE-416

Which versions are affected by CVE-2022-2979?

It affects 1 product.

Products include Omron Cx-Programmer.

How do I fix CVE-2022-2979?

No fix has been published for CVE-2022-2979 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-2022-2979 being exploited?

There is no known exploitation of CVE-2022-2979 in the wild and no public exploit code.

Sources

Also known as GHSA-cxg8-6xcc-g5fw.