Sighting correlations

What the source of this sighting of CVE-2021-39227 filed sightings of.

Source: https://bsky.app/profile/getpokemon7.bsky.social/post/3mayo25zzxk2s

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.