Sighting correlations

What the source of this sighting of CVE-2021-21166 filed sightings of.

Source: https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/0598b250-6b12-433b-a0dc-bcb14b836d94

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.