Sighting correlations

What the source of this sighting of CVE-2021-21389 filed sightings of.

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/266210e6-1b62-4d0e-8d58-7fc97017d33d

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.