{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "4.5.7"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "cad71240dee2a82cd5766dd67039a87849031aaa"
            }
          ],
          "repo": "https://github.com/fusionpbx/fusionpbx",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "cad71240dee2a82cd5766dd67039a87849031aaa"
            }
          ],
          "repo": "https://github.com/fusionpbx/fusionpbx",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Directory Traversal vulnerability exists in FusionPBX 4.5.7, which allows a remote malicious user to create folders via the folder variale to app\\edit\\foldernew.php.",
  "id": "CVE-2020-21056",
  "modified": "2026-03-13T21:51:00.750400028Z",
  "published": "2021-05-20T16:15:07.827Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-path-traversal-5/"
    },
    {
      "type": "FIX",
      "url": "https://github.com/fusionpbx/fusionpbx/commit/cad71240dee2a82cd5766dd67039a87849031aaa"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}