Sighting correlations

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

Source: https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/03794a12-d3f5-4bea-9e7e-ec3cdfdeeb4a

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.