In Airflow versions prior to 1.10.13, when creating a user using airflow CLI, the password gets logged in plain text in the Log table in Airflow Metadatase. Same happened when creating a Connection with a password field.
{
"cpes": [
"cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*"
],
"severity": "Medium"
}