: You downloaded an outdated tarball. Fix : Always fetch the latest nessus-update-plugins-all-2.0.tar.gz . Check the file’s modification timestamp or extract and examine plugin_info.json .
If you manage a fleet of air-gapped Nessus scanners, manually downloading and copying the bundle every week is tedious. Set up a (a single machine with authorized, limited internet) to automate the process. download nessus-update-plugins all-2.0.tar.gz