Sighting correlations

What the source of this sighting of CVE-2021-21234 filed sightings of.

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/867de3f6-b5a9-453f-a2a6-0af3cd4edca9

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.