codesys protocol

The codesys protocol tag covers discussions about vulnerabilities in industrial control systems that use the CODESYS runtime environment, such as the ABB AC500 V3 programmable logic controller. Topics include remotely exploitable flaws, firmware patching via Automation Builder, and the operational challenges of securing authentication, certificate stores, and runtime stability in critical infrastructure like chemical, manufacturing, energy, and water facilities. The tag is relevant for IT and OT professionals managing Windows-based engineering workstations and embedded controllers that rely on the CODESYS protocol for automation and communication.