{"schema_version": "1.6.1", "id": "CVE-2021-35936", "summary": "No Authentication on Logging Server", "details": "If remote logging is not used, the worker (in the case of CeleryExecutor) or the scheduler (in the case of LocalExecutor) runs a Flask logging server and is listening on a specific port and also binds on 0.0.0.0 by default.\nThis logging server had no authentication and allows reading log files of DAG jobs.\n\nThis issue affects Apache Airflow < 2.1.2.", "affected": [{"ranges": [{"type": "SEMVER", "events": [{"introduced": "Apache Airflow"}, {"fixed": "2.1.2"}]}]}], "references": [{"type": "ADVISORY", "url": "https://lists.apache.org/thread.html/r53d6bd7b0a66f92ddaf1313282f10fec802e71246606dd30c16536df%40%3Cusers.airflow.apache.org%3E"}]}