Description
Crafted web server requests may cause a heap-based buffer overflow and could therefore trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| CODESYS | CODESYS V2 | all web servers – < V1.1.9.22 | V1.1.9.22 |
Advisories 1
- VDE-2021-056 WAGO: Multiple Vulnerabilities in CODESYS Runtime 2.3 and WebVisualisation CERT@VDE · May 22, 2025