CVE-2018-20245 Improper Certificate Validation in Apache Airflow
Improper exception handling in the LDAP authentication backend disabled server certificate checking, allowing potential man-in-the-middle attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-20245?
CVE-2018-20245 is a high-severity vulnerability in Apache Airflow, published on 23 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The LDAP auth backend (airflow.contrib.auth.backends.ldap_auth) prior to Apache Airflow 1.10.1 was misconfigured and contained improper checking of exceptions which disabled server certificate checking.
Weakness: CWE-295
Which versions are affected by CVE-2018-20245?
3 open source packages ship an affected version, including apache-airflow. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
apache-airflow PyPI | All versions | 1.10.1 |
apache-airflow PyPI | All versions | 1.10.1 |
apache-airflow PyPI | All versions | 1.10.1 |
Products include Apache Airflow.
How do I fix CVE-2018-20245?
Upgrade apache-airflow to 1.10.1 or later.
Is CVE-2018-20245 being exploited?
There is no known exploitation of CVE-2018-20245 in the wild and no public exploit code.
Other vulnerabilities in Apache Airflow
- CVE-2020-13927 Apache Airflow's Experimental API Authentication Bypass
- CVE-2020-11978 Apache Airflow Command Injection
- CVE-2026-33264 Apache Airflow: DAG author RCE on webserver via unrestricted import_string() in BaseSerialization.deserialize()
- CVE-2023-25754 Apache Airflow: Privilege escalation using airflow logs
- CVE-2023-22884 Apache Airflow, Apache Airflow MySQL Provider: Arbitrary file read via MySQL provider in Apache Airflow
Sources
Also known as GHSA-77rc-x84q-pv4f, PYSEC-2019-143.