Solarwinds Orion (with Web Console WPM 2019.4.1, and Orion Platform HF4 or NPM HF2 2019.4) allows remote attackers to execute arbitrary code via a defined event.
https://www.zerodayinitiative.com/advisories/ZDI-21-065/
https://www.zerodayinitiative.com/advisories/ZDI-21-063/
https://gist.github.com/alert3/c9dcce5474e55f408c93c086c30cdbb7