{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-14T19:36:08.746","vulnerabilities":[{"cve":{"id":"CVE-2020-13927","sourceIdentifier":"security@apache.org","published":"2020-11-10T16:15:11.807","lastModified":"2025-10-23T14:51:33.450","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"The previous default setting for Airflow's Experimental API was to allow all API requests without authentication, but this poses security risks to users who miss this fact. From Airflow 1.10.11 the default has been changed to deny all requests by default and is documented at https:\/\/airflow.apache.org\/docs\/1.10.11\/security.html#api-authentication. Note this change fixes it for new installs but existing users need to change their config to default `[api]auth_backend = airflow.api.auth.backend.deny_all` as mentioned in the Updating Guide: https:\/\/github.com\/apache\/airflow\/blob\/1.10.11\/UPDATING.md#experimental-api-will-deny-all-request-by-default"},{"lang":"es","value":"La configuración predeterminada previa para Airflow's Experimental API permitió todas las peticiones de la API sin autenticación, pero esto plantea riesgos de seguridad para los usuarios que no se dan cuenta de este hecho. Desde Airflow versión 1.10.11, el valor predeterminado ha sido cambiado para denegar todas las peticiones por defecto y está documentado en https:\/\/airflow.apache.org\/docs\/1.10.11\/security.html#api-authentication. Tome en cuenta que este cambio lo corrige para nuevas instalaciones, pero los usuarios existentes deben cambiar su configuración a la predeterminada \"[api] auth_backend=airflow.api.auth.backend.deny_all\" como es mencionado en la Guía de Actualización: https:\/\/github.com\/apache \/airflow\/blob\/1.10.11\/UPDATING.md#experimental-api-will-deny-all-request-by-defaul"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:H\/I:H\/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:H\/I:H\/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N\/AC:L\/Au:N\/C:P\/I:P\/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"cisaExploitAdd":"2022-01-18","cisaActionDue":"2022-07-18","cisaRequiredAction":"Apply updates per vendor instructions.","cisaVulnerabilityName":"Apache Airflow's Experimental API Authentication Bypass","weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-306"},{"lang":"en","value":"CWE-1188"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-306"},{"lang":"en","value":"CWE-1056"},{"lang":"en","value":"CWE-1188"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*","versionEndExcluding":"1.10.11","matchCriteriaId":"B9D4EEE1-539A-43A3-ACA1-7307F50600F5"}]}]}],"references":[{"url":"http:\/\/packetstormsecurity.com\/files\/162908\/Apache-Airflow-1.10.10-Remote-Code-Execution.html","source":"security@apache.org","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"http:\/\/packetstormsecurity.com\/files\/174764\/Apache-Airflow-1.10.10-Remote-Code-Execution.html","source":"security@apache.org","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https:\/\/lists.apache.org\/thread.html\/r23a81b247aa346ff193670be565b2b8ea4b17ddbc7a35fc099c1aadd%40%3Cdev.airflow.apache.org%3E","source":"security@apache.org","tags":["Mailing List","Vendor Advisory"]},{"url":"http:\/\/packetstormsecurity.com\/files\/162908\/Apache-Airflow-1.10.10-Remote-Code-Execution.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"http:\/\/packetstormsecurity.com\/files\/174764\/Apache-Airflow-1.10.10-Remote-Code-Execution.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https:\/\/lists.apache.org\/thread.html\/r23a81b247aa346ff193670be565b2b8ea4b17ddbc7a35fc099c1aadd%40%3Cdev.airflow.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Vendor Advisory"]},{"url":"https:\/\/www.cisa.gov\/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-13927","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Third Party Advisory","US Government Resource"]}]}}]}