CVE-2021-45230

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

Description

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.

Remediation

Workaround:

This is a very low severity CVE and admins can mitigate this issue by removing the global "can_create" permissions on DagRun for Airflow versions >=2.0.0,<2.2.0 and 1.10.x versions that have set `rbac=True` in config.

6.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 2.05% Top 20%

Vendor Advisory apache.org

Affected: Apache Software Foundation Apache Airflow

References

Link	Tags
https://lists.apache.org/thread/m778ojn0k595rwco4ht9wjql89mjoxnl	mailing list vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-45230?: CVE-2021-45230 has been scored as a medium severity vulnerability.
How to fix CVE-2021-45230?: As a workaround for remediating CVE-2021-45230: This is a very low severity CVE and admins can mitigate this issue by removing the global "can_create" permissions on DagRun for Airflow versions >=2.0.0,<2.2.0 and 1.10.x versions that have set `rbac=True` in config.
Is CVE-2021-45230 being actively exploited in the wild?: It is possible that CVE-2021-45230 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-45230?: CVE-2021-45230 affects Apache Software Foundation Apache Airflow.

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