Vulnerability · Published Dec 21, 2020 · Assigned by apache
CVE-2020-17526
High 7.7
In plain English
A high-severity security flaw in Apache Airflow from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 23.9% (higher than 98% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei. Fixed versions are available - upgrade the affected package.
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | apache-airflow | 1.10.14 | GHSA-7mx5-x372-xh87 |
| PyPI | apache-airflow | 1.10.14 | PYSEC-2020-22 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Airflow | Apache Airflow – before 1.10.14 |
References
- https://lists.apache.org/thread.html/rbeeb73a6c741f2f9200d83b9c2220610da314810c4e8c9cf881d47ef%40%3Cusers.airflow.apache.org%3E x_refsource_MISC
- [oss-security] 20201221 CVE-2020-17526: Apache Airflow Incorrect Session Validation in Airflow Webserver with default config mailing-list, x_refsource_MLIST
- [announce] 20210623 Success at Apache: Security in Practice mailing-list, x_refsource_MLIST