{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "com.hazelcast:hazelcast"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "4.1.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "com.hazelcast:hazelcast"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.2"
            },
            {
              "last_affected": "4.2.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "com.hazelcast:hazelcast"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.0"
            },
            {
              "last_affected": "5.0.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "com.hazelcast:hazelcast"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.1"
            },
            {
              "last_affected": "5.1.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 5.2.4"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "com.hazelcast:hazelcast"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.2.0"
            },
            {
              "fixed": "5.2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "com.hazelcast:hazelcast"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.3.0"
            },
            {
              "fixed": "5.3.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-45859"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-281"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-02-27T21:54:15Z",
    "nvd_published_at": "2024-02-28T22:15:26Z",
    "severity": "HIGH"
  },
  "details": "### Impact\nIn Hazelcast through 4.1.10, 4.2 through 4.2.8, 5.0 through 5.0.5, 5.1 through 5.1.7, 5.2 through 5.2.4, and 5.3 through 5.3.2, some client operations don\u0027t check permissions properly, allowing authenticated users to access data stored in the cluster.\n\n### Patches\nFix versions: 5.2.5, 5.3.5, 5.4.0-BETA-1\n\n### Workarounds\nThere is no known workaround.\n",
  "id": "GHSA-xh6m-7cr7-xx66",
  "modified": "2024-02-29T02:29:12Z",
  "published": "2024-02-27T21:54:15Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/hazelcast/hazelcast/security/advisories/GHSA-xh6m-7cr7-xx66"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-45859"
    },
    {
      "type": "WEB",
      "url": "https://github.com/hazelcast/hazelcast/pull/25509"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/hazelcast/hazelcast"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Missing permission checks on Hazelcast client protocol"
}