{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-02T10:24:59.830","vulnerabilities":[{"cve":{"id":"CVE-2021-26559","sourceIdentifier":"security@apache.org","published":"2021-02-17T15:15:13.500","lastModified":"2024-11-21T05:56:28.070","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Improper Access Control on Configurations Endpoint for the Stable API of Apache Airflow allows users with Viewer or User role to get Airflow Configurations including sensitive information even when `[webserver] expose_config` is set to `False` in `airflow.cfg`. This allowed a privilege escalation attack. This issue affects Apache Airflow 2.0.0."},{"lang":"es","value":"Un Control de Acceso Inapropiado en el Endpoint Configurations para la API Stable de Apache Airflow permite a usuarios con rol de Visualizadores o Usuario obtener Configuraciones de Airflow, incluyendo información confidencial, incluso cuando \"[webserver] expose_config\" está configurado como \"False\" en \"airflow.cfg\". Esto permitió un ataque de escalada de privilegios. Este problema afecta a Apache Airflow versión 2.0.0"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:N/A:N","baseScore":4.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"security@apache.org","type":"Secondary","description":[{"lang":"en","value":"CWE-284"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-Other"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:apache:airflow:2.0.0:*:*:*:*:*:*:*","matchCriteriaId":"6A12F59D-265C-4E88-A7A9-0A972A45408D"}]}]}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2021/02/17/1","source":"security@apache.org","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.apache.org/thread.html/r3b3787700279ec361308cbefb7c2cce2acb26891a12ce864e4a13c8d%40%3Cusers.airflow.apache.org%3E","source":"security@apache.org","tags":["Mailing List","Vendor Advisory"]},{"url":"https://lists.apache.org/thread.html/rd142565996d7ee847b9c14b8a9921dcf80bc6bc160e3d9dca6dfc2f8%40%3Cannounce.apache.org%3E","source":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2021/02/17/1","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.apache.org/thread.html/r3b3787700279ec361308cbefb7c2cce2acb26891a12ce864e4a13c8d%40%3Cusers.airflow.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Vendor Advisory"]},{"url":"https://lists.apache.org/thread.html/rd142565996d7ee847b9c14b8a9921dcf80bc6bc160e3d9dca6dfc2f8%40%3Cannounce.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}