The Fix Has Been Out for a Year. The Controller Is Still Exposed.

Quick answer: A gap exists between when OT vendors fix vulnerabilities and when operators can actually patch. In food, pharma, and cold-chain sites the update waits for a rare maintenance window because a bad one costs product, not just uptime - a discarded batch, a broken cold chain, a quality deviation that has to be investigated. Two of the most common refrigeration controllers, the Copeland XW