Sighting correlations

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

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/d5bb2626-685b-431e-a110-442ad70b2b21

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.