{"id":"GHSA-ffw3-6mp6-jmvj","summary":"Improper Access Control in Apache Airflow","details":"Improper Access Control on Configurations Endpoint for the Stable API of Apache Airflow allows users with Viewer or User role to get Airflow Configurations including sensitive information even when `[webserver] expose_config` is set to `False` in `airflow.cfg`. This allowed a privilege escalation attack. This issue affects Apache Airflow 2.0.0.","aliases":["BIT-airflow-2021-26559","CVE-2021-26559","PYSEC-2021-2"],"modified":"2024-11-18T16:26:11Z","published":"2021-04-07T21:05:57Z","database_specific":{"github_reviewed_at":"2021-04-01T23:27:01Z","nvd_published_at":"2021-02-17T15:15:00Z","cwe_ids":["CWE-269","CWE-284"],"severity":"HIGH","github_reviewed":true},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26559"},{"type":"WEB","url":"https://github.com/apache/airflow/commit/3909232fafd09ac72b49010ecdfd6ea48f06d5cf"},{"type":"WEB","url":"https://github.com/apache/airflow/commit/5e35926c7eda0dfa11a9623e4bf5f60c2bd6b3f6"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-ffw3-6mp6-jmvj"},{"type":"PACKAGE","url":"https://github.com/apache/airflow"},{"type":"WEB","url":"https://github.com/apache/airflow/blob/486b76438c0679682cf98cb88ed39c4b161cbcc8/CHANGELOG.txt"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2021-2.yaml"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r3b3787700279ec361308cbefb7c2cce2acb26891a12ce864e4a13c8d%40%3Cusers.airflow.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rd142565996d7ee847b9c14b8a9921dcf80bc6bc160e3d9dca6dfc2f8@%3Cannounce.apache.org%3E"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2021/02/17/1"}],"affected":[{"package":{"name":"apache-airflow","ecosystem":"PyPI","purl":"pkg:pypi/apache-airflow"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.0.1rc1"}]}],"versions":["2.0.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/04/GHSA-ffw3-6mp6-jmvj/GHSA-ffw3-6mp6-jmvj.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}]}