Vulnerability Details CVE-2021-38540
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.9
EPSS Ranking 99.6%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- https://lists.apache.org/thread.html/rac2ed9118f64733e47b4f1e82ddc8c8020774698f13328ca742b03a2%40%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/rb34c3dd1a815456355217eef34060789f771b6f77c3a3dec77de2064%40%3Cusers.airflow.apache.org%3E
- https://lists.apache.org/thread.html/rac2ed9118f64733e47b4f1e82ddc8c8020774698f13328ca742b03a2%40%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/rb34c3dd1a815456355217eef34060789f771b6f77c3a3dec77de2064%40%3Cusers.airflow.apache.org%3E
Products affected by CVE-2021-38540
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cpe:2.3:a:apache:airflow:2.0.0
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cpe:2.3:a:apache:airflow:2.0.1
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cpe:2.3:a:apache:airflow:2.0.2
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cpe:2.3:a:apache:airflow:2.1.0
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cpe:2.3:a:apache:airflow:2.1.1
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cpe:2.3:a:apache:airflow:2.1.2