Security advisory

{
  "id": "9e36925d1dde3f84e2be0f8c3a575845f55c82d111b58b40ddd42af4ecc35be8",
  "url": "https://osv.dev/vulnerability/CVE-2016-5001",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-5001",
    "summary": "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.",
    "evidence": "osv:CVE-2016-5001",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2016-5001",
      "aliases": [
        "CVE-2016-5001",
        "GHSA-8r28-r8cp-g6cp"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/hadoop",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "cc865b490b9a6260e9611a5b8633cab885b3d247"
                },
                {
                  "introduced": "d4c8d4d4d203c934e8074b31289a28724c0842cf"
                },
                {
                  "last_affected": "ac0538aac347bfd97cc0dee1db49db503c15f1d9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.6.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:hadoop:2.7.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.7.0"
                      },
                      {
                        "last_affected": "2.7.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:hadoop:2.7.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.7.1"
                      },
                      {
                        "last_affected": "2.7.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.7.0",
            "2.7.1",
            "release-2.6.3",
            "release-2.6.3-RC1",
            "release-2.6.3-RC0.1",
            "release-2.6.3-RC0",
            "release-2.6.1",
            "release-2.6.1-RC1",
            "release-2.6.1-RC0",
            "release-2.7.1",
            "release-2.7.1-RC0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-5001.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:42.049226652Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/r66de86b9a608c1da70b2d27d765c11ec88edf6e5dd6f379ab33e072a%40%3Cuser.flink.apache.org%3E"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2016-5001",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 435276,
  "published_at": "2017-08-30T19:29:00.147+00:00"
}