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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| CODESYS | Control RTE (SL) | 3.0.0.0 – < 3.5.19.0 | 3.5.19.0 |
| CODESYS | Control RTE (for Beckhoff CX) SL | 3.0.0.0 – < 3.5.19.0 | 3.5.19.0 |
| CODESYS | Control Win (SL) | 3.0.0.0 – < 3.5.19.0 | 3.5.19.0 |
| CODESYS | Runtime Toolkit | 3.0.0.0 – < 3.5.19.0 | 3.5.19.0 |
| CODESYS | Safety SIL2 Runtime Toolkit | 3.0.0.0 – < 3.5.19.0 | 3.5.19.0 |
| CODESYS | Safety SIL2 PSP | 3.0.0.0 – < 3.5.19.0 | 3.5.19.0 |
| CODESYS | HMI (SL) | 3.0.0.0 – < 3.5.19.0 | 3.5.19.0 |
| CODESYS | Development System V3 | 3.0.0.0 – < 3.5.19.0 | 3.5.19.0 |
| CODESYS | Control for BeagleBone SL | 3.0.0.0 – < 4.8.0.0 | 4.8.0.0 |
| CODESYS | Control for emPC-A/iMX6 SL | 3.0.0.0 – < 4.8.0.0 | 4.8.0.0 |
| CODESYS | Control for IOT2000 SL | 3.0.0.0 – < 4.8.0.0 | 4.8.0.0 |
| CODESYS | Control for Linux SL | 3.0.0.0 – < 4.8.0.0 | 4.8.0.0 |
| CODESYS | Control for PFC100 SL | 3.0.0.0 – < 4.8.0.0 | 4.8.0.0 |
| CODESYS | Control for PFC200 SL | 3.0.0.0 – < 4.8.0.0 | 4.8.0.0 |
| CODESYS | Control for PLCnext SL | 3.0.0.0 – < 4.8.0.0 | 4.8.0.0 |
| CODESYS | Control for Raspberry Pi SL | 3.0.0.0 – < 4.8.0.0 | 4.8.0.0 |
| CODESYS | Control for WAGO Touch Panels 600 SL | 3.0.0.0 – < 4.8.0.0 | 4.8.0.0 |
Advisories 3
- ICSA-26-076-01 CODESYS in Festo Automation Suite CISA ICS & IT advisories · Mar 17, 2026
- FSA-202601 Several CODESYS vulnerabilities in Festo Automation Suite CERT@VDE · Feb 26, 2026
- SEVD-2023-101-01 CODESYS Runtime Vulnerabilities Schneider Electric CPCERT · Jan 9, 2024