Sighting correlations

What the source of this sighting of CVE-2018-4990 filed sightings of.

Source: https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/131e52d4-21fd-4abc-aa0c-a49f14da6b4c

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.