CVE-2020-17526
First published: Mon Dec 21 2020(Updated: )
Incorrect Session Validation in Apache Airflow Webserver versions prior to 1.10.14 with default config allows a malicious airflow user on site A where they log in normally, to access unauthorized Airflow Webserver on Site B through the session from Site A. This does not affect users who have changed the default value for `[webserver] secret_key` config.
Credit: security@apache.org security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apache Airflow | <1.10.14 | |
| pip/apache-airflow | <1.10.14 | 1.10.14 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2020/12/21/1
- https://lists.apache.org/thread.html/r466759f377651f0a690475d5a52564d0e786e82c08d5a5730a4f8352@%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/rbeeb73a6c741f2f9200d83b9c2220610da314810c4e8c9cf881d47ef%40%3Cusers.airflow.apache.org%3E
- https://lists.apache.org/thread.html/r466759f377651f0a690475d5a52564d0e786e82c08d5a5730a4f8352%40%3Cannounce.apache.org%3E
- https://nvd.nist.gov/vuln/detail/CVE-2020-17526
- https://github.com/apache/airflow/commit/97b2735d65e95c4633966667b6db3908540f3937
- https://github.com/apache/airflow/commit/9e01476a50b9be27c4b1e6c6e24d36f290629195
- https://github.com/apache/airflow/commit/dfa7b26ddaca80ee8fd9915ee9f6eac50fac77f6
- https://github.com/apache/airflow/commit/fe6d00a54f83468e296777d3b83b65a2ae7169ec
- https://github.com/advisories/GHSA-7mx5-x372-xh87 (Advisory)
- https://github.com/apache/airflow/commit/2f3b1c780472afd4c8a93633e6633feb7083792e
- https://github.com/apache/airflow/commit/6b065840323f9a4fc8e372b458d26e419e4fa99b
- https://github.com/apache/airflow/commit/a8900fa5f2b8963e9f57ba4ae5520a5d339aeaad
- https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2020-22.yaml
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-17526.
What is the title of the vulnerability?
The title of the vulnerability is 'Incorrect Session Validation in Apache Airflow Webserver versions prior to 1.10.14 with default config.'
What is the severity of CVE-2020-17526?
The severity of CVE-2020-17526 is high, with a severity value of 7.7.
Which software is affected by CVE-2020-17526?
Apache Airflow Webserver versions prior to 1.10.14 with default config are affected by CVE-2020-17526.
How can the vulnerability be fixed?
To fix CVE-2020-17526, it is recommended to update Apache Airflow Webserver to version 1.10.14 or higher.
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