Sighting correlations

What the source of this sighting of CVE-2016-4437 filed sightings of.

Source: https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/c22e2741-08b3-4686-8986-db82b4a6e9d1

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.