CVE-2021-35936

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

If remote logging is not used, the worker (in the case of CeleryExecutor) or the scheduler (in the case of LocalExecutor) runs a Flask logging server and is listening on a specific port and also binds on 0.0.0.0 by default. This logging server had no authentication and allows reading log files of DAG jobs. This issue affects Apache Airflow < 2.1.2.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-200CWE-306

Affected software

No affected versions have been published.

Timeline

Published
Aug 16, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-35936: Medium severity, CVSS 5.3 | Vulnix