Sighting correlations

What the source of this sighting of CVE-2017-17731 filed sightings of.

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/662a26d8-9473-4870-9f3e-8d38ee08bf55

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.