{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "4.1.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "b9742b6fb9298c18c30d488dd080c3e962d603eb"
            },
            {
              "fixed": "3a3a5eee5ffa48da1352423312cb767de14de269"
            }
          ],
          "repo": "https://github.com/parse-community/parse-server",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "In parser-server before version 4.1.0, you can fetch all the users objects, by using regex in the NoSQL query. Using the NoSQL, you can use a regex on sessionToken and find valid accounts this way.",
  "id": "CVE-2020-5251",
  "modified": "2026-03-13T21:55:06.883112808Z",
  "published": "2020-03-04T15:15:13.210Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/parse-community/parse-server/security/advisories/GHSA-h4mf-75hf-67w4"
    },
    {
      "type": "FIX",
      "url": "https://github.com/parse-community/parse-server/commit/3a3a5eee5ffa48da1352423312cb767de14de269"
    }
  ],
  "related": [
    "GHSA-h4mf-75hf-67w4"
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}