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.
SNMP information is enumerated to learn about other open ports.
This plugin runs an SNMP scan against the remote machine to find open ports. See the section 'plugins options' to configure it.