Sighting correlations

What the source of this sighting of CVE-2017-1000028 filed sightings of.

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/c97dcf9b-970f-450b-9519-47e7ba03da93

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.