Sighting correlations

What the source of this sighting of CVE-2021-21315 filed sightings of.

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/8444d9c3-949d-4ba2-9db8-9d4b995613b1

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.