{"id":"CVE-2016-5393","aliases":["GHSA-7q56-mp4c-gggg"],"url":"https://o3.security/vulnerability/CVE-2016-5393","summary":"Improper Access Control in Apache Hadoop","details":"In Apache Hadoop 2.6.x before 2.6.5 and 2.7.x before 2.7.3, a remote user who can authenticate with the HDFS NameNode can possibly run arbitrary commands with the same privileges as the HDFS service.","published":"2016-11-29T06:59:00.177Z","modified":"2026-07-08T12:41:07.572706Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-common","fixedVersion":"2.6.5"},{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-common","fixedVersion":"2.7.3"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://mail-archives.apache.org/mod_mbox/hadoop-general/201611.mbox/%3CCAA0W1bTbUmUUSF1rjRpX-2DvWutcrPt7TJSWUcSLg1F0gyHG1Q%40mail.gmail.com%3E"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/94574"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T12:41:07.572706Z"}}