Sighting correlations

What the source of this sighting of CVE-2016-4657 filed sightings of.

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/66396aee-2d3f-483f-97ac-28b7205804b6

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.