The chart view for this pane shows you the percentage of scanned devices in the enterprise that fall into each of the following five categories based on the highest severity vulnerability detected on each device:
To see the number of devices in each severity category, rest the cursor on the corresponding sector of the pie chart.
Vulnerability Impact by Severity
If you click one of the wedges in the pie chart, a new browser window opens, and a detailed report is displayed. The report is filtered based on the severity category corresponding to the wedge that you clicked. After you click a wedge and open a report, that wedge separates from the rest of the pie, as shown here:
Vulnerability Impact by Severity
The grid view shows you how many devices fall into each severity category and whether the device count for that category has increased, decreased, or stayed the same since the previous vulnerability scan.