Sighting correlations

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

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/4b58514a-e4d5-44a7-b083-3a3196e4dcfd

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.