{
  "cveId": "CVE-2018-20802",
  "url": "https://patchblox.com/security/cve/CVE-2018-20802",
  "summary": "CVE-2018-20802 is fixed in 4 products on 1 platform, first by mongodb 1:3.6.3-0ubuntu1.4\u002Besm1, released November 23, 2020. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "mongodb: A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries with...",
  "description": "A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries with compound indexes affecting QueryPlanner. This issue affects MongoDB Server v3.6 versions prior to 3.6.9 and MongoDB Server v4.0 versions prior to 4.0.3.",
  "published": "2020-11-23T08:15:00Z",
  "severity": "Medium",
  "epss": 0.01584,
  "epssPercentile": 0.75674,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "mongodb",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:3.6.3-0ubuntu1.4\u002Besm1",
      "fix": "mongodb 1:3.6.3-0ubuntu1.4\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-mongodb-1-3.6.3-0ubuntu1.4-esm1",
      "released": "2020-11-23T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "mongodb-clients",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:3.6.3-0ubuntu1.4\u002Besm1",
      "fix": "mongodb-clients 1:3.6.3-0ubuntu1.4\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-mongodb-clients-1-3.6.3-0ubuntu1.4-esm1",
      "released": "2020-11-23T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "mongodb-server",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:3.6.3-0ubuntu1.4\u002Besm1",
      "fix": "mongodb-server 1:3.6.3-0ubuntu1.4\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-mongodb-server-1-3.6.3-0ubuntu1.4-esm1",
      "released": "2020-11-23T08:15:00Z"
    },
    {
      "platform": "linux",
      "product": "mongodb-server-core",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:3.6.3-0ubuntu1.4\u002Besm1",
      "fix": "mongodb-server-core 1:3.6.3-0ubuntu1.4\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-mongodb-server-core-1-3.6.3-0ubuntu1.4-esm1",
      "released": "2020-11-23T08:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}