{"cve":"CVE-2017-3162","nvd":{"published":"2017-04-26T20:59:00.260","modified":"2026-06-17T01:17:38.893","status":"Modified","description":"HDFS clients interact with a servlet on the DataNode to browse the HDFS namespace. The NameNode is provided as a query parameter that is not validated in Apache Hadoop before 2.7.0.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","score":7.3},"cwes":["CWE-20"],"references":["http://www.securityfocus.com/bid/98017","https://lists.apache.org/thread.html/r127f75748fcabc63bc5a1bec6885753eb9b2bed803b6ed7bd46f965b%40%3Cuser.hadoop.apache.org%3E","https://lists.apache.org/thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a%40%3Cuser.flink.apache.org%3E","https://s.apache.org/k2ss","http://www.securityfocus.com/bid/98017"],"products":["apache:hadoop"],"source":"nvd","synced_at":"2026-10-19T20:42:09.859288039+00:00"},"epss":{"cve":"CVE-2017-3162","score":0.06423,"percentile":0.93703,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-pr9x-qmp5-j3rr","url":"https://osv.dev/vulnerability/GHSA-pr9x-qmp5-j3rr","summary":"Improper Input Validation in Apache Hadoop","modified":"2023-11-08T03:59:20.588772Z","packages":[{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-client","purl":"pkg:maven/org.apache.hadoop/hadoop-client","ranges":["<2.7.0"],"fixed":["2.7.0"]}]}],"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."]}