MapService.svc in Hexagon GeoMedia WebMap 2020 before Update 2 (aka 16.6.2.66) allows blind SQL Injection via the Id (within sourceItems) parameter to the GetMap method.
https://www.silentgrid.com/blog/cve-2021-37749-hexagon-geomedia-webmap-2020-blind-sql-injection/
https://www.hexagongeospatial.com/products/power-portfolio/geomedia-webmap
https://download.hexagongeospatial.com/en/downloads/webgis/geomedia-webmap-2020-update-2