Sighting correlations

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

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/0142a1b5-5dfe-4666-ac07-4872395f1d76

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.