CVE-2022-4224: CODESYS: Exposure of Resource to Wrong Sphere in CODESYS V3

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-03-23 · updated 2026-06-17
Weakness: CWE-1188

Description

In multiple products of CODESYS v3 in multiple versions a remote low privileged user could utilize this vulnerability to read and modify system files and OS resources or DoS the device.

Affected products

CODESYS Control for BeagleBone SL: from 3.0 before 4.8.0.0 — fixed in 4.8.0.0
CODESYS Control For Empc-A/Imx6 Sl: from 3.0 before 4.8.0.0 — fixed in 4.8.0.0
CODESYS Control for IOT2000 SL: from 3.0 before 4.8.0.0 — fixed in 4.8.0.0
CODESYS Control for Linux SL: from 3.0 before 4.8.0.0 — fixed in 4.8.0.0
CODESYS Control for PFC100 SL: from 3.0 before 4.8.0.0 — fixed in 4.8.0.0
CODESYS Control for PFC200 SL: from 3.0 before 4.8.0.0 — fixed in 4.8.0.0
CODESYS Control for PLCnext SL: from 3.0 before 4.8.0.0 — fixed in 4.8.0.0
CODESYS Control for Raspberry Pi SL: from 3.0 before 4.8.0.0 — fixed in 4.8.0.0
CODESYS Control for WAGO Touch Panels 600 SL: from 3.0 before 4.8.0.0 — fixed in 4.8.0.0
CODESYS Control RTE (SL): from 3.0 before 3.5.19.0 — fixed in 3.5.19.0
CODESYS Control Rte Sl (For Beckhoff Cx): from 3.0 before 3.5.19.0 — fixed in 3.5.19.0
CODESYS Control Win (SL): from 3.0 before 3.5.19.0 — fixed in 3.5.19.0
CODESYS Development System: from 3.0 before 3.5.19.0 — fixed in 3.5.19.0
CODESYS HMI (SL): from 3.0 before 3.5.19.0 — fixed in 3.5.19.0
CODESYS Runtime Toolkit: from 3.0 before 3.5.19.0 — fixed in 3.5.19.0
CODESYS Safety SIL2: from 3.0 before 3.5.19.0 — fixed in 3.5.19.0

How to fix

Upgrade to a fixed version: CODESYS Control for BeagleBone SL 4.8.0.0; CODESYS Control For Empc-A/Imx6 Sl 4.8.0.0; CODESYS Control for IOT2000 SL 4.8.0.0; CODESYS Control for Linux SL 4.8.0.0; CODESYS Control for PFC100 SL 4.8.0.0; CODESYS Control for PFC200 SL 4.8.0.0; CODESYS Control for PLCnext SL 4.8.0.0; CODESYS Control for Raspberry Pi SL 4.8.0.0; CODESYS Control for WAGO Touch Panels 600 SL 4.8.0.0; CODESYS Control RTE (SL) 3.5.19.0; CODESYS Control Rte Sl (For Beckhoff Cx) 3.5.19.0; CODESYS Control Win (SL) 3.5.19.0. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2022-4224 or the next vulnerability affects your stack