What is CVE-2021-45230?

CVE-2021-45230 is a medium-severity vulnerability in Apache Airflow. CVSS score: 6.5/10. Published 2022-01-20.

How severe is CVE-2021-45230?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Apache Airflow

CVE-2021-45230

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.

Published 2022-01-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.017 (77.1th percentile), scored 2026-10-23.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Apache Airflow
Apache Software Foundation Airflow — versions Apache Airflow 1.10 1.10.0 to 1.10.15, Apache Airflow 2

References

lists.apache.org/thread/m778ojn0k595rwco4ht9wjql89mjoxnl (Mailing List, Vendor Advisory)

Frequently asked questions

What is CVE-2021-45230?: CVE-2021-45230 is a medium-severity vulnerability in Apache Airflow. CVSS score: 6.5/10. Published 2022-01-20.
How severe is CVE-2021-45230?: Medium severity. CVSS v3 base score is 6.5 out of 10.