{"cve":"CVE-2018-11765","nvd":{"published":"2020-09-30T18:15:15.477","modified":"2026-06-17T01:36:32.583","status":"Modified","description":"In Apache Hadoop versions 3.0.0-alpha2 to 3.0.0, 2.9.0 to 2.9.2, 2.8.0 to 2.8.5, any users can access some servlets without authentication when Kerberos authentication is enabled and SPNEGO through HTTP is not enabled.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-287"],"references":["https://lists.apache.org/thread.html/r17d94d132b207dad221595fd8b8b18628f5f5ec7e3f5be939ecd8928%40%3Ccommits.druid.apache.org%3E","https://lists.apache.org/thread.html/r2c7f899911a04164ed1707083fcd4135f8427e04778c87d83509b0da%40%3Cgeneral.hadoop.apache.org%3E","https://lists.apache.org/thread.html/r46447f38ea8c89421614e9efd7de5e656186d35e10fc97cf88477a01%40%3Ccommits.druid.apache.org%3E","https://lists.apache.org/thread.html/r4dddf1705dbedfa94392913b2dad1cd2d1d89040facd389eea0b3510%40%3Ccommits.druid.apache.org%3E","https://lists.apache.org/thread.html/r74825601e93582167eb7cdc2f764c74c9c6d8006fa90018562fda60f%40%3Ccommits.druid.apache.org%3E"],"products":["apache:hadoop"],"source":"nvd","synced_at":"2026-10-19T21:09:53.489947993+00:00"},"epss":{"cve":"CVE-2018-11765","score":0.05207,"percentile":0.92489,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-rhh9-cm65-3w54","url":"https://osv.dev/vulnerability/GHSA-rhh9-cm65-3w54","summary":"Improper Authentication in Apache Hadoop","modified":"2024-02-17T05:34:33.603105Z","packages":[{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-main","purl":"pkg:maven/org.apache.hadoop/hadoop-main","ranges":[">=3.0.0-alpha2 <3.0.1"],"fixed":["3.0.1"]},{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-main","purl":"pkg:maven/org.apache.hadoop/hadoop-main","ranges":[">=2.9.0 <2.9.3"],"fixed":["2.9.3"]},{"ecosystem":"Maven","name":"org.apache.hadoop:hadoop-main","purl":"pkg:maven/org.apache.hadoop/hadoop-main","ranges":[">=2.8.0 <2.8.6"],"fixed":["2.8.6"]}]}],"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."]}