Sighting correlations

What the source of this sighting of CVE-2021-1871 filed sightings of.

Source: https://db.gcve.eu/known-exploited-vulnerabilities-catalog/5d3a696e-df00-49a4-ab51-0d5236f25f49

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.