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TI-2021-20451 Aliases CVE-2021-45230GHSA-4jh2-3c85-q67h

Apache Airflow: Creating DagRuns didn't respect Dag-level permissions in the Webserver

Priority LOW 32CWE-269Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-269.

Summary

In Apache Airflow prior to 2.2.0. This CVE applies to a specific case where a User who has "can_create" permissions on DAG Runs can create Dag Runs for dags that they don't have "edit" permissions for.

Why it matters now

EPSS 0.01709 77th percentileScored 2026-11-07
Fix Fixed Apache Airflow (Apache Software Foundation): 2.2.0apache-airflow (PyPI): 2.2.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache AirflowApache Airflow 1.10 1.10.0 to 1.10.15; Apache Airflow 2 to before 2.2.02.2.0Patch availableCNA
—apache-airflow (PyPI)before 2.2.02.2.0Patch availableGHSA-4jh2-3c85-q67h
  • Apache Airflow VendorApache Affected Apache Airflow 1.10 1.10.0 to 1.10.15; Apache Airflow 2 to before 2.2.0 Fixed in 2.2.0 Patch available CNA
  • apache-airflow (PyPI) Vendor— Affected before 2.2.0 Fixed in 2.2.0 Patch available GHSA-4jh2-3c85-q67h

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*1.10.0 – 1.10.15; 2.0.0 to before 2.2.0VulnerableApache
  • cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:* Versions 1.10.0 – 1.10.15; 2.0.0 to before 2.2.0 Vulnerable ·Apache

Remediation

  • Fix · CNA Apache Airflow (Apache Software Foundation) Fixed in 2.2.0
  • Fix · GHSA-4jh2-3c85-q67h apache-airflow (PyPI) Fixed in 2.2.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-45230
  2. 2026-10-03 Alias added: GHSA-4jh2-3c85-q67h

References

Advisory 2

Other 1

  • TI-2020-10905 Missing authentication in Apache Airflow KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-09638 OS command injection in Apache Airflow KEVCVSS 3.1HIGH 8.8
  • TI-2022-19017 Apache Airflow <2.4.0 has an RCE in a bash example CVSS 3.1HIGH 8.8
  • TI-2021-16140 Apache Airflow: Variable Import endpoint missed authentication check CVSS 3.1CRITICAL 9.8
  • TI-2022-08169 Apache Airflow: RCE in example DAGs CVSS 3.1HIGH 8.8
  • TI-2024-26776 Apache Airflow: DAG Author Code Execution possibility in airflow-scheduler CVSS 3.1HIGH 8.8
See all 157 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences