{"schema":"threatline.record/2","record":{"id":"CVE-2020-13927","aliases":[],"summary":"Apache Airflow's Experimental API Authentication Bypass","details":"The previous default setting for Airflow's Experimental API was to allow all API requests without authentication.","categories":["Unclassified"],"product":"Airflow's Experimental API","vendor":"Apache","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-13927","source_modified_at":"2025-10-21T23:35:32.975Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Apache Airflow","vendor":"n/a","versions":[{"version":"Apache Airflow <1.10.11","status":"affected"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":true,"date_added":"2022-01-18","due_date":"2022-07-18","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.99778,"percentile":0.99956,"score_date":"2026-10-23"},"published_at":"2020-11-10T00:00:00.000Z","modified_at":"2025-10-21T23:35:32.975Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2020-13927","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:35:32.975Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/apache_airflow_dag_rce.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2020-07-14"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/49927","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2021-06-02"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-13927.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2020-13927","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Exploit-DB","Nuclei","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13927","source":"CISA KEV"},{"source":"CVE List","url":"https://lists.apache.org/thread.html/r23a81b247aa346ff193670be565b2b8ea4b17ddbc7a35fc099c1aadd%40%3Cdev.airflow.apache.org%3E","tags":["x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-13927","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2024-07-24T21:03:08.842589Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"Apache Airflow 1.10.10 - Example DAG Remote Code Execution","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/apache_airflow_dag_rce.rb","date":"2020-07-14","added":"2026-04-22","check":true},{"source":"Exploit-DB","kind":"Webapps exploit","name":"Apache Airflow 1.10.10 - 'Example Dag' Remote Code Execution","url":"https://www.exploit-db.com/exploits/49927","date":"2021-06-02","added":"2021-06-02","verified":false},{"source":"Nuclei","kind":"Scanner template","name":"Airflow Experimental <1.10.11 - REST API Auth Bypass","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-13927.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2025-10-21T23:35:32.975Z","content_hash":"54acb69147eeaf9de3891d38dd741f64c497eef3239d3e9f6b16da758b02875e"}}