Description
CODESYS V3 web server, all versions prior to 3.5.14.10, allows an attacker to send specially crafted http or https requests which may allow access to files outside the restricted working directory of the controller.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | CODESYS V3 web server | all versions prior to 3.5.14.10 | — |
Advisories 5
- 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
- ICSA-25-273-04 Festo Controller CECC-S,-LK,-D Family Firmware (Update A) CISA ICS & IT advisories · Nov 13, 2025
- FSA-202202 Festo: Controller CECC-S,LK,D family <= 2.3.8.1 - multiple vulnerabilities in CODESYS V3 runtime system CERT@VDE · Nov 3, 2025
- ICSA-19-255-01 3S-Smart Software Solutions GmbH CODESYS V3 Web Server CISA ICS & IT advisories · Sep 12, 2019