Sighting correlations

What the source of this sighting of CVE-2021-20028 filed sightings of.

Source: https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/53d03fe9-123c-4faa-9c2c-6554b367611d

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.