Sighting correlations

What the source of this sighting of CVE-2021-31207 filed sightings of.

Source: https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/f58f9c03-3137-4783-a1cb-145f9ee3ee40

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.