{"id":"CVE-2016-5001","aliases":["EUVD-2022-3221","GHSA-8r28-r8cp-g6cp"],"status":"published","title":"Exposure of Sensitive Information to an Unauthorized Actor in Apache Hadoop","description":"This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00698,"percentile":0.53363,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2017-08-30T19:00:00Z","modified":"2026-10-24T10:30:42Z","fixes":[{"ecosystem":"Maven","package":"org.apache.hadoop:hadoop-common","fixed_in":["2.6.4","2.7.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.6.3"},{"fixed":"2.6.4"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.7.0"},{"last_affected":"2.7.1"},{"fixed":"2.7.2"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.4"}]}],"versions":["0.22.0","0.23.1","0.23.10","0.23.11","0.23.3","0.23.4","0.23.5","0.23.6","0.23.7","0.23.8","0.23.9","2.0.0-alpha","2.0.1-alpha","2.0.2-alpha","2.0.3-alpha","2.0.4-alpha","2.0.5-alpha","2.0.6-alpha","2.1.0-beta","2.1.1-beta","2.2.0","2.3.0","2.4.0","2.4.1","2.5.0","2.5.1","2.5.2","2.6.0","2.6.1","2.6.2","2.6.3"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.7.0"},{"fixed":"2.7.2"}]}],"versions":["2.7.0","2.7.1"]}],"products":[{"vendor":"apache","product":"hadoop"},{"vendor":"apache software foundation","product":"apache hadoop"}],"references":[{"url":"http://www.securityfocus.com/bid/94950","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://seclists.org/oss-sec/2016/q4/698","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","web"]},{"url":"https://lists.apache.org/thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a%40%3Cuser.flink.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-5001","tags":["advisory"]},{"url":"https://lists.apache.org/thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a@%3Cuser.flink.apache.org%3E","tags":["web"]},{"url":"https://github.com/advisories/GHSA-8r28-r8cp-g6cp"}],"sources":{"cve":[{"id":"CVE-2016-5001","description":"This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.","status":"published","published":"2017-08-30T19:00:00Z","modified":"2024-09-16T19:51:02.745Z","updated_at":"2026-11-02T14:33:30.359814Z"}],"euvd":[{"id":"EUVD-2022-3221","description":"This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.","status":"published","published":"2017-08-30T19:00:00Z","modified":"2024-09-16T19:51:02Z","updated_at":"2026-11-03T00:55:19.533306Z"}],"ghsa":[{"id":"GHSA-8r28-r8cp-g6cp","title":"Exposure of Sensitive Information to an Unauthorized Actor in Apache Hadoop","description":"This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.","status":"published","published":"2022-05-13T01:08:56Z","modified":"2023-01-27T05:02:13Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:36:17.04874Z"}],"nvd":[{"id":"CVE-2016-5001","description":"This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.","status":"published","published":"2017-08-30T19:29:00.147Z","modified":"2026-06-17T00:48:35.52Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:03:39.176887Z"}],"osv":[{"id":"CVE-2016-5001","description":"This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.","status":"published","published":"2017-08-30T19:29:00.147Z","modified":"2026-10-24T10:30:42.049226652Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:02.454775Z"},{"id":"GHSA-8r28-r8cp-g6cp","title":"Exposure of Sensitive Information to an Unauthorized Actor in Apache Hadoop","description":"This is an information disclosure vulnerability in Apache Hadoop before 2.6.4 and 2.7.x before 2.7.2 in the short-circuit reads feature of HDFS. A local user on an HDFS DataNode may be able to craft a block token that grants unauthorized read access to random files by guessing certain fields in the token.","status":"published","published":"2022-05-13T01:08:56Z","modified":"2023-11-08T03:58:30.347713Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:46:42.78452Z"}]}}