High · published December 1, 2025
🚨 An attacker can craft a CODESYS project file that, when opened, executes malicious code without any authentication! Imagine the chaos that could unfold. ⚡ Think of it like a magician slipping a hidden trapdoor into a stage set. A local user opens the file, unknowingly triggering a secret escape route for the attacker right into their system! 🎩✨ The implications are concerning: an attacker could leverage this to run arbitrary code with the privileges of the local user, potentially gaining unauthorized access to sensitive data or system controls. This could lead to a complete compromise of the user’s environment, making it an urgent issue to address!
Think of it like a magician slipping a hidden trapdoor into a stage set. A local user opens the file, unknowingly triggering a secret escape route for the attacker right into their system! 🎩✨ This vulnerability allows an unauthenticated attacker to execute arbitrary code by tricking a local user into opening a specially crafted CODESYS project file, leveraging the user's own permissions to run the code.
The implications are concerning: an attacker could leverage this to run arbitrary code with the privileges of the local user, potentially gaining unauthorized access to sensitive data or system controls. This could lead to a complete compromise of the user’s environment, making it an urgent issue to address! To mitigate this risk, ensure that users are educated about the dangers of opening untrusted project files. Additionally, patch your CODESYS development system to the latest version to eliminate this vulnerability as soon as it becomes available. You've got this! With the right precautions and updates, you can keep your systems secure. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| codesys/codesys | < 3.5.21.40 | 3.5.21.40 |