Sighting correlations

What the source of this sighting of CVE-2021-20021 filed sightings of.

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/108876c2-bb34-415f-a325-0d1e7dd5a90d

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.