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.
The remote host is running software that should be authorized with respect to corporate policy.
The remote host is running the Qualys network scanner. The presence of this software indicates that a group is scanning the network for vulnerabilities.
Ensure that this software is authorized for your network.