Sighting correlations

What the source of this sighting of CVE-2021-33739 filed sightings of.

Source: https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/cce93e0c-ad22-4e04-bdd4-d43ece1b753b

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.