CVE-2018-20245 json
Improper Certificate Validation in Apache Airflow
published 2019-01-23 7 y ago modified 2026-06-17 4 mo ago also GHSA-77rc-x84q-pv4f , PYSEC-2019-143 , EUVD-2019-0011
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- pypi apache-airflow 1.10.1
- apache airflow 1.10.1
Exploit prediction
1.02% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | apache-airflow | <1.10.1 |
1.10.1 |
Affected products
- Apache Software Foundation Apache Airflow
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
github.com
/apache/airflow/commit/28abf87bd173cc4cedc57f553118470e5745a968
web
-
github.com
/apache/airflow/commit/66d0d05ea0802aec407e0ef5435a962080db0926
web
-
github.com
/apache/airflow/commit/d8d0e8c59203f793f81d47d5adb1362df0b5d8d1
web
- lists.apache.org /thread.html/b549c7573b342a6e457e5a3225c33054244343927bbfb2a4cdc4cf73%40%3Cdev.airflow.apache.org%3E
-
nvd.nist.gov
/vuln/detail/CVE-2018-20245
advisory
-
github.com
/advisories/GHSA-77rc-x84q-pv4f
advisory
-
github.com
/apache/airflow
package
-
github.com
/pypa/advisory-database/tree/main/vulns/apache-airflow/PYSEC-2019-143.yaml
web
-
lists.apache.org
/thread.html/b549c7573b342a6e457e5a3225c33054244343927bbfb2a4cdc4cf73@%3Cdev.airflow.apache.org%3E
web
Sources
- CVE List CVE-2018-20245
- GitHub Advisory GHSA-77rc-x84q-pv4f
- NVD CVE-2018-20245
- OSV PYSEC-2019-143
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.