About IT Security
What this is for.
Three questions, in order. What happened. Does it affect you. What should you do.
You tell us what you run. Every advisory is then matched against it, and the answer comes with the reasoning — which product, which version, which range the vendor published.
We are not a scanner and not a managed service. We cannot see your network. Everything here is derived from what you typed in and what vendors and agencies have published.