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
{
"github_reviewed": true,
"cwe_ids": [
"CWE-20",
"CWE-327"
],
"github_reviewed_at": "2021-05-13T15:15:38Z",
"nvd_published_at": "2019-12-02T21:15:00Z",
"severity": "HIGH"
}