Sighting correlations

What the source of this sighting of CVE-2021-21707 filed sightings of.

Source: Telegram/bctv_0BNbAQ5Ot-S57sPtvXOwEHeL7aBT5rGTgj6v3UNEXE

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.