{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.4.141"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "92f2631c44e8f86924e51ec2e7413dd8e559c08d"
            },
            {
              "fixed": "a0f08501d2850025892e703f40fb1570c7995478"
            }
          ],
          "repo": "https://github.com/misp/misp",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "In app/Model/MispObject.php in MISP 2.4.141, an incorrect sharing group association could lead to information disclosure on an event edit. When an object has a sharing group associated with an event edit, the sharing group object is ignored and instead the passed local ID is reused.",
  "id": "CVE-2021-31780",
  "modified": "2026-03-13T21:47:52.545984079Z",
  "published": "2021-04-23T20:15:08.027Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/MISP/MISP/commit/a0f08501d2850025892e703f40fb1570c7995478"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}