Security advisory

{
  "id": "ed8a28eb6bfc67cc185f13729f88da69b3ca53ae280ae0decce437eb8ffaf816",
  "url": "https://osv.dev/vulnerability/CVE-2018-11764",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-11764",
    "summary": "Web endpoint authentication check is broken in Apache Hadoop 3.0.0-alpha4, 3.0.0-beta1, and 3.0.0. Authenticated users may impersonate any user even if no proxy user is configured.",
    "evidence": "osv:CVE-2018-11764",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-11764",
      "aliases": [
        "CVE-2018-11764",
        "GHSA-4fh8-pm7g-pmxq"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/hadoop",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c25427ceca461ee979d30edd7a4b0f50718e6533"
                },
                {
                  "last_affected": "1002c582d86ae8689c497c3d31b73f1ab92d5e29"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:hadoop:3.0.0:-:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0-NA"
                      },
                      {
                        "last_affected": "3.0.0-NA"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:hadoop:3.0.0:alpha4:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0-alpha4"
                      },
                      {
                        "last_affected": "3.0.0-alpha4"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:hadoop:3.0.0:beta1:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0-beta1"
                      },
                      {
                        "last_affected": "3.0.0-beta1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.0.0-NA",
            "3.0.0-alpha4",
            "3.0.0-beta1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-11764.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:34.737647030Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/r790ad0a049cde713b93589ecfd4dd2766fda0fc6807eedb6cf69f5c1%40%3Cgeneral.hadoop.apache.org%3E",
        "https://security.netapp.com/advisory/ntap-20201103-0003/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-11764",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 433599,
  "published_at": "2020-10-21T19:15:13.543+00:00"
}