When using the Azure backend with a shared access signature (SAS), Terraform versions prior to 0.12.17 may transmit the token and state snapshot using cleartext HTTP.
github.com/hashicorp/terraform/backend/remote-state/azure
{ "nvd_published_at": "2019-12-02T21:15:00Z", "cwe_ids": [ "CWE-20", "CWE-327" ], "severity": "HIGH", "github_reviewed": true, "github_reviewed_at": "2021-05-13T15:15:38Z" }