CVE-2022-47392 CODESYS: Multiple products prone to Improper Input Validation

Medium 6.5 Published 15 May 2023 Updated 5 Mar 2025

An authenticated remote attacker can cause a denial-of-service condition in CODESYS runtime systems by exploiting improper input validation.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-47392?

CVE-2022-47392 is a medium-severity denial of service vulnerability in Codesys Control for Beaglebone Sl, published on 15 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An authenticated, remote attacker may use a improper input validation vulnerability in the CmpApp/CmpAppBP/CmpAppForce Components of multiple CODESYS products in multiple versions to read from an invalid address which can lead to a denial-of-service condition.

Weakness: CWE-20

Which versions are affected by CVE-2022-47392?

It affects 17 products.

Products include Codesys Control for Beaglebone Sl, Codesys Control for Empc-A\/Imx6 Sl, Codesys Control for Iot2000 Sl, Codesys Control for Linux Sl, Codesys Control for Pfc100 Sl, Codesys Control for Pfc200 Sl and 11 more.

How do I fix CVE-2022-47392?

No fix has been published for CVE-2022-47392 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-47392 being exploited?

There is no known exploitation of CVE-2022-47392 in the wild and no public exploit code.

All Codesys Control for Beaglebone Sl vulnerabilities

Sources

Also known as GHSA-cvfv-h36m-f37q.