Sighting correlations

What the source of this sighting of CVE-2021-42321 filed sightings of.

Source: https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/3fcddbd7-bfff-4e41-b452-04f1f9a934af

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.