{"id":"CVE-2021-39234","aliases":["EUVD-2021-2334","GHSA-c8cw-2c5j-xff3"],"status":"published","title":"Raw block data can be read bypassing ACL/authorization","description":"In Apache Ozone versions prior to 1.2.0, Authenticated users knowing the ID of an existing block can craft specific request allowing access those blocks, bypassing other security checks like ACL.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01412,"percentile":0.73083,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20","CWE-863"],"published":"2021-11-19T09:20:22Z","modified":"2026-10-24T10:31:00Z","fixes":[{"ecosystem":"Maven","package":"org.apache.ozone:ozone-main","fixed_in":["1.2.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.ozone:ozone-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.ozone:ozone-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0"}]}]}],"products":[{"vendor":"apache","product":"ozone"},{"vendor":"apache software foundation","product":"apache ozone"}],"references":[{"url":"https://mail-archives.apache.org/mod_mbox/ozone-dev/202111.mbox/%3C97d65498-7f8c-366f-1bea-5a74b6378f0d%40apache.org%3E","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2021/11/19/5","tags":["mailing-list","x_refsource_MLIST","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39234","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-c8cw-2c5j-xff3"}],"sources":{"cve":[{"id":"CVE-2021-39234","title":"Raw block data can be read bypassing ACL/authorization","description":"In Apache Ozone versions prior to 1.2.0, Authenticated users knowing the ID of an existing block can craft specific request allowing access those blocks, bypassing other security checks like ACL.","status":"published","published":"2021-11-19T09:20:22Z","modified":"2024-08-04T01:58:18.34Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:33:09.540052Z"}],"euvd":[{"id":"EUVD-2021-2334","description":"In Apache Ozone versions prior to 1.2.0, Authenticated users knowing the ID of an existing block can craft specific request allowing access those blocks, bypassing other security checks like ACL.","status":"published","published":"2021-11-19T09:20:22Z","modified":"2024-08-04T01:58:18Z","updated_at":"2026-11-03T03:24:24.305495Z"}],"ghsa":[{"id":"GHSA-c8cw-2c5j-xff3","title":"Incorrect Authorization in Apache Ozone","description":"In Apache Ozone versions prior to 1.2.0, Authenticated users knowing the ID of an existing block can craft specific request allowing access those blocks, bypassing other security checks like ACL.","status":"published","published":"2021-11-23T17:56:30Z","modified":"2023-02-01T05:06:19Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:36:38.281533Z"}],"nvd":[{"id":"CVE-2021-39234","description":"In Apache Ozone versions prior to 1.2.0, Authenticated users knowing the ID of an existing block can craft specific request allowing access those blocks, bypassing other security checks like ACL.","status":"published","published":"2021-11-19T10:15:08.25Z","modified":"2026-06-17T04:03:22.223Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20","CWE-863"],"updated_at":"2026-11-02T14:07:01.428028Z"}],"osv":[{"id":"CVE-2021-39234","description":"In Apache Ozone versions prior to 1.2.0, Authenticated users knowing the ID of an existing block can craft specific request allowing access those blocks, bypassing other security checks like ACL.","status":"published","published":"2021-11-19T10:15:08.25Z","modified":"2026-10-24T10:31:00.796032835Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:20.843843Z"},{"id":"GHSA-c8cw-2c5j-xff3","title":"Incorrect Authorization in Apache Ozone","description":"In Apache Ozone versions prior to 1.2.0, Authenticated users knowing the ID of an existing block can craft specific request allowing access those blocks, bypassing other security checks like ACL.","status":"published","published":"2021-11-23T17:56:30Z","modified":"2023-11-08T04:06:34.71787Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:46:44.927642Z"}]}}