Sighting correlations

What the source of this sighting of CVE-2021-20837 filed sightings of.

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/5b61db64-54b9-422d-b685-c2c4f1be0c2f

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.