CVE-2022-47379 CODESYS: Multiple products prone to out-of-bounds write

High 8.8 Published 15 May 2023 Updated 5 Mar 2025

Authenticated remote attackers can exploit an out-of-bounds write in CODESYS products to cause denial of service or execute arbitrary code.

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-2022-47379?

CVE-2022-47379 is a high-severity memory corruption 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 out-of-bounds write vulnerability in multiple CODESYS products in multiple versions to write data into memory which can lead to a denial-of-service condition, memory overwriting, or remote code execution.

Weakness: CWE-787

Which versions are affected by CVE-2022-47379?

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-2022-47379?

No fix has been published for CVE-2022-47379 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-2022-47379 being exploited?

There is no known exploitation of CVE-2022-47379 in the wild and no public exploit code.

All Codesys Control for Beaglebone Sl vulnerabilities

Sources

Also known as GHSA-3339-3jp2-pq45.