Sighting correlations

What the source of this sighting of CVE-2021-30858 filed sightings of.

Source: https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/840cda4d-d74d-410b-98e9-5288762e346a

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.