Sighting correlations

What the source of this sighting of CVE-2021-4374 filed sightings of.

Source: https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/e928a464-1133-4acf-a03c-24d692ff496a

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.