{"cve":"CVE-2016-5001","nvd":{"published":"2017-08-30T19:29:00.147","modified":"2026-06-17T00:48:35.520","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":5.5},"cwes":["CWE-200"],"references":["http://seclists.org/oss-sec/2016/q4/698","http://www.securityfocus.com/bid/94950","https://lists.apache.org/thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a%40%3Cuser.flink.apache.org%3E","http://seclists.org/oss-sec/2016/q4/698","http://www.securityfocus.com/bid/94950"],"products":["apache:hadoop"],"source":"nvd","synced_at":"2026-10-19T20:46:01.145313090+00:00"},"epss":{"cve":"CVE-2016-5001","score":0.00698,"percentile":0.53126,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-8r28-r8cp-g6cp","url":"https://osv.dev/vulnerability/GHSA-8r28-r8cp-g6cp","summary":"Exposure of Sensitive Information to an Unauthorized Actor in Apache Hadoop","modified":"2023-11-08T03:58:30.347713Z","packages":[{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-common","purl":"pkg:maven/org.apache.hadoop/hadoop-common","ranges":["<2.6.4"],"fixed":["2.6.4"]},{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-common","purl":"pkg:maven/org.apache.hadoop/hadoop-common","ranges":[">=2.7.0 <2.7.2"],"fixed":["2.7.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}