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Date: Thu, 09 Sep 2021 11:22:49 +0000
From: Kaxil Naik <>
Subject: CVE-2021-38540: Apache Airflow: Variable Import endpoint missed
 authentication check 


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.


Apache Airflow would like to thank Nathan Jones, National Australia Bank’s Offensive Security Team

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