high6.5
CVE-2021-26559
Improper Access Control in Apache Airflow
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | apache-airflow | = 2.0.0 | 2.0.1rc1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apache | Airflow | Version 2.0.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- http://www.openwall.com/lists/oss-security/2021/02/17/1
- https://lists.apache.org/thread.html/r3b3787700279ec361308cbefb7c2cce2acb26891a12ce864e4a13c8d%40%3Cusers.airflow.apache.org%3E
- https://lists.apache.org/thread.html/rd142565996d7ee847b9c14b8a9921dcf80bc6bc160e3d9dca6dfc2f8%40%3Cannounce.apache.org%3E
- https://github.com/advisories/GHSA-ffw3-6mp6-jmvj
- https://nvd.nist.gov/vuln/detail/CVE-2021-26559
- https://github.com/apache/airflow/blob/486b76438c0679682cf98cb88ed39c4b161cbcc8/CHANGELOG.txt
- https://lists.apache.org/thread.html/rd142565996d7ee847b9c14b8a9921dcf80bc6bc160e3d9dca6dfc2f8@%3Cannounce.apache.org%3E
- https://github.com/apache/airflow/commit/3909232fafd09ac72b49010ecdfd6ea48f06d5cf
- https://github.com/apache/airflow/commit/5e35926c7eda0dfa11a9623e4bf5f60c2bd6b3f6
- https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2021-2.yaml