CVE-2022-3396 OMRON CX-Programmer Out-of-bounds Write

High 7.8 Published 6 Oct 2022 Updated 16 Apr 2025

An out-of-bounds write vulnerability in OMRON CX-Programmer allows attackers to execute arbitrary code.

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-2022-3396?

CVE-2022-3396 is a high-severity memory corruption vulnerability in OMRON CX-Programmer, published on 6 Oct 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

OMRON CX-Programmer 9.78 and prior is vulnerable to an Out-of-Bounds Write, which may allow an attacker to execute arbitrary code.

Weakness: CWE-787

Which versions are affected by CVE-2022-3396?

It affects 1 product.

Products include Omron Cx-Programmer.

How do I fix CVE-2022-3396?

No fix has been published for CVE-2022-3396 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-2022-3396 being exploited?

There is no known exploitation of CVE-2022-3396 in the wild and no public exploit code.

Sources

Also known as GHSA-377q-747p-vcr7.