CVE-2022-43508 Use after free in CX-Programmer

High 7.8 Published 7 Dec 2022 Updated 23 Apr 2025

Attackers can execute arbitrary code or disclose information by tricking users into opening a malicious CXP file in OMRON CX-Programmer.

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-2022-43508?

CVE-2022-43508 is a high-severity use after free vulnerability in OMRON Corporation CX-Programmer, published on 7 Dec 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

Use-after free vulnerability exists in CX-Programmer v.9.77 and earlier, which may lead to information disclosure and/or arbitrary code execution by having a user to open a specially crafted CXP file.

Weakness: CWE-416

Which versions are affected by CVE-2022-43508?

It affects 1 product.

Products include Omron Cx-Programmer.

How do I fix CVE-2022-43508?

No fix has been published for CVE-2022-43508 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-2022-43508 being exploited?

There is no known exploitation of CVE-2022-43508 in the wild and no public exploit code.

Sources

Also known as GHSA-vg24-9gw5-7hc7.