{"cve":"CVE-2018-20245","nvd":{"published":"2019-01-23T17:29:00.443","modified":"2026-06-17T01:52:33.510","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-295"],"references":["https://lists.apache.org/thread.html/b549c7573b342a6e457e5a3225c33054244343927bbfb2a4cdc4cf73%40%3Cdev.airflow.apache.org%3E","https://lists.apache.org/thread.html/b549c7573b342a6e457e5a3225c33054244343927bbfb2a4cdc4cf73%40%3Cdev.airflow.apache.org%3E"],"products":["apache:airflow"],"source":"nvd","synced_at":"2026-10-19T20:54:46.948512734+00:00"},"epss":{"cve":"CVE-2018-20245","score":0.01016,"percentile":0.63308,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-77rc-x84q-pv4f","url":"https://osv.dev/vulnerability/GHSA-77rc-x84q-pv4f","summary":"Improper Certificate Validation in Apache Airflow","modified":"2024-09-04T21:01:29.984859Z","packages":[{"ecosystem":"PyPI","name":"apache-airflow","purl":"pkg:pypi/apache-airflow","ranges":["<1.10.1"],"fixed":["1.10.1"]}]},{"id":"PYSEC-2019-143","url":"https://osv.dev/vulnerability/PYSEC-2019-143","summary":"","modified":"2023-11-08T04:00:11.459468Z","packages":[{"ecosystem":"PyPI","name":"apache-airflow","purl":"pkg:pypi/apache-airflow","ranges":["<1.10.1"],"fixed":["1.10.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}