Sighting correlations

What the source of this sighting of CVE-2019-17621 filed sightings of.

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/d2519b7c-c63f-4139-8edf-7ef9d9439ea0

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.