Sighting correlations

What the source of this sighting of CVE-2011-1331 filed sightings of.

Source: https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/534fcde9-fb28-4ddc-88c1-7057f7c09c10

Drag nodes to arrange them. Double-click a vulnerability to open it. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows vulnerabilities by sighting type.