CVE-2023-3662 CODESYS: Vulnerability in CODESYS Development System allows for execution of binaries

High 7.3 Published 3 Aug 2023 Updated 27 Feb 2025

Attackers can execute arbitrary binaries in the user's context by placing them in the current working directory of the CODESYS Development System.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-3662?

CVE-2023-3662 is a high-severity path traversal vulnerability in CODESYS Development System, published on 3 Aug 2023. 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

In CODESYS Development System versions from 3.5.17.0 and prior to 3.5.19.20 a vulnerability allows for execution of binaries from the current working directory in the users context .

Weakness: CWE-427

Which versions are affected by CVE-2023-3662?

It affects 1 product.

Products include Codesys Development System.

How do I fix CVE-2023-3662?

No fix has been published for CVE-2023-3662 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-3662 being exploited?

There is no known exploitation of CVE-2023-3662 in the wild and no public exploit code.

Sources

Also known as GHSA-f7mf-8v49-37qx.