Sighting correlations

What the source of this sighting of CNVD-2021-30167 filed sightings of.

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/a9c276de-f4f1-4d14-ad89-541cc76f452b

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.