Sighting correlations

What the source of this sighting of CVE-2021-21220 filed sightings of.

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/19fb8060-3d04-4d9a-b3ad-5c9e55f2228b

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.