A critical RCE security issue is affecting software that is using an earlier version of Microsoft.NETCore.App like SolrNet.
Introduced through SolrNet@1.1.1
Fixed in Microsoft.NETCore.App@2.1.20, @3.1.6
see: https://security.snyk.io/vuln/SNYK-DOTNET-MICROSOFTNETCOREAPP-584431