The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
A LinuxConf server is listening on the remote port.
The remote host is running LinuxConf, a web-based administration tool for Linux. It is suggested to not allow anyone to connect to this service.
Filter incoming traffic to this port, or disable this service if you do not use it.