Sighting correlations

What the source of this sighting of CVE-2021-21551 filed sightings of.

Source: https://gist.github.com/pauldmurphy/12a5b700186d9a0a24fcbcd7b6c006cc

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.