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CVE-2021-38540 The variable import endpoint was not protected by authentication in Airflow >=2.0.0, <2.1.3

Description

The variable import endpoint was not protected by authentication in Airflow >=2.0.0, <2.1.3. This allowed unauthenticated users to hit that endpoint to add/modify Airflow variables used in DAGs, potentially resulting in a denial of service, information disclosure or remote code execution. This issue affects Apache Airflow >=2.0.0, <2.1.3.

Affected products and versions

Product Affected versions Fixed in
Apache Airflow 2.1 earliest → < 2.1.3 2.1.3

References

Timeline

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