cvedb.io
CVE-2021-38540
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2021-09-09T15:15:09.170 · Last modified 2026-06-17T04:02:19.753

Summary

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

apache — airflow

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.