The severity and CVSS of the detected vulnerabilities can be changed individually.
It is also possible to change the vulnerability severity, CVSS score, etc. to any value in all scans by setting it as the initial value of the detected vulnerability.
1. click on Scan Results (List View) or Scan Results (Category View) > Vulnerability name.
2. click on the operating button (pencil symbol).
3. after editing the Severity, CVSS Score and CVSS Vector, press the Edit Execute button.
Note that the following can be set as the initial value of the configured vulnerability by checking the box "Set as default value for all the same vulnerabilities".