Description
The Runtime Toolkit in CODESYS Runtime System 2.3.x and 2.4.x does not require authentication, which allows remote attackers to execute commands via the command-line interface in the TCP listener service or transfer files via requests to the TCP listener service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| 3S-Smart Software Solutions | CODESYS Control Runtime embedded | < 2.3.2.8 | 2.3.2.8 |
| 3S-Smart Software Solutions | CODESYS Control Runtime full | < 2.4.7.40 | 2.4.7.40 |
| 3S-Smart Software Solutions | CODESYS Control RTE | < 2.3.7.17 | 2.3.7.17 |
| Festo | CECX-X-C1 Modular Master Controller with CoDeSys | All | — |
| Festo | CECX-X-M1 Modular Controller with CoDeSys and SoftMotion | All | — |
| 3S-Smart Software Solutions | CoDeSys | — | 3.X |
Advisories 1
- ICSA-14-084-01 Festo CECX-X-(C1/M1) Controller Vulnerabilities CISA ICS & IT advisories · Jun 6, 2025
References
- http://www.codesys.com/news-events/press-releases/detail/article/sicherheitsluecke-in-codesys-v23-laufzeitsystem.html
- https://www.cisa.gov/news-events/ics-advisories/icsa-13-011-01
- http://www.digitalbond.com/tools/basecamp/3s-codesys/
- https://www.cisa.gov/news-events/ics-advisories/icsa-14-084-01
- https://us.codesys.com/ecosystem/security/