Sighting correlations

What the source of this sighting of CVE-2021-39935 filed sightings of.

Source: https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/de7e6fd1-8149-401d-86b0-c8e08e1349ba

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.