CVE-2022-21124 Memory corruption in CX-Programmer

High 7.8 Published 7 Mar 2022 Updated 3 Aug 2024

An attacker can achieve arbitrary code execution or information disclosure by tricking a user 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-2022-21124?

CVE-2022-21124 is a high-severity memory corruption vulnerability in OMRON Corporation CX-Programmer, published on 7 Mar 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

Out-of-bounds write vulnerability in CX-Programmer v9.76.1 and earlier which is a part of CX-One (v4.60) suite allows an attacker to cause information disclosure and/or arbitrary code execution by having a user to open a specially crafted CXP file. This vulnerability is different from CVE-2022-25234.

Weakness: CWE-787

Which versions are affected by CVE-2022-21124?

It affects 1 product.

Products include Omron Cx-Programmer.

How do I fix CVE-2022-21124?

No fix has been published for CVE-2022-21124 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-2022-21124 being exploited?

There is no known exploitation of CVE-2022-21124 in the wild and no public exploit code.

Sources

Also known as GHSA-cq97-mcxf-h5r5.