Description
A low-privileged remote attacker may be able to replace the boot application of the CODESYS Control runtime system, enabling unauthorized code execution.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| CODESYS | CODESYS Control RTE (SL) | 0.0.0 – < 3.5.22.0 | 3.5.22.0 |
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL | 0.0.0 – < 3.5.22.0 | 3.5.22.0 |
| CODESYS | CODESYS Control Win (SL) | 0.0.0 – < 3.5.22.0 | 3.5.22.0 |
| CODESYS | CODESYS HMI (SL) | 0.0.0 – < 3.5.22.0 | 3.5.22.0 |
| CODESYS | CODESYS Runtime Toolkit | 0.0.0 – < 3.5.22.0 | 3.5.22.0 |
| CODESYS | CODESYS Control for BeagleBone SL | 0.0.0 – < 4.21.0.0 | 4.21.0.0 |
| CODESYS | CODESYS Control for emPC-A/iMX6 SL | 0.0.0 – < 4.21.0.0 | 4.21.0.0 |
| CODESYS | CODESYS Control for IOT2000 SL | 0.0.0 – < 4.21.0.0 | 4.21.0.0 |
| CODESYS | CODESYS Control for Linux ARM SL | 0.0.0 – < 4.21.0.0 | 4.21.0.0 |
| CODESYS | CODESYS Control for Linux SL | 0.0.0 – < 4.21.0.0 | 4.21.0.0 |
| CODESYS | CODESYS Control for PFC100 SL | 0.0.0 – < 4.21.0.0 | 4.21.0.0 |
| CODESYS | CODESYS Control for PFC200 SL | 0.0.0 – < 4.21.0.0 | 4.21.0.0 |
| CODESYS | CODESYS Control for PLCnext SL | 0.0.0 – < 4.21.0.0 | 4.21.0.0 |
| CODESYS | CODESYS Control for Raspberry Pi SL | 0.0.0 – < 4.21.0.0 | 4.21.0.0 |
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL | 0.0.0 – < 4.21.0.0 | 4.21.0.0 |
| CODESYS | CODESYS Virtual Control SL | 0.0.0 – < 4.21.0.0 | 4.21.0.0 |
Advisories 2
- ADVISORY2026-02_VDE-2026-011 CODESYS Control V3 - Untrusted boot application CERT@VDE · Jun 18, 2026
- WID-SEC-2026-0832 CODESYS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 24, 2026