Any organization that manages their own servers (especially internet-facing ones) is should be paying attention and review the following document.
Log4shell and other relate vulnerabilities.
This is a joint cybersecurity advisory from U.S. Federal agencies (FBI, DHS/CISA, and NSA) plus some international partners. The “TLP-White” in the title refers to how broadly the information can be shared, with “white” meaning that it can be posted publicly (it progresses to green/yellow/red – it’s called the Traffic Light Protocol). It provides a good summary and set of steps for people who have the technical background to make use of it.