{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:fatfreeframework:fat-free_framework:3.7.1:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "3.7.1"
              },
              {
                "last_affected": "3.7.1"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "495a97c9957a9edfbaea362927be6f3faa96fc52"
            },
            {
              "last_affected": "495a97c9957a9edfbaea362927be6f3faa96fc52"
            }
          ],
          "repo": "https://github.com/bcosca/fatfree",
          "type": "GIT"
        }
      ],
      "versions": [
        "3.7.1"
      ]
    },
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "dae95a0baf3963a9ef87c17cee52f78f77e21829"
            }
          ],
          "repo": "https://github.com/f3-factory/fatfree-core",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "In Fat-Free Framework 3.7.1, attackers can achieve arbitrary code execution if developers choose to pass user controlled input (e.g., $_REQUEST, $_GET, or $_POST) to the framework's Clear method.",
  "id": "CVE-2020-5203",
  "modified": "2026-07-08T05:36:57.904863015Z",
  "published": "2020-03-11T14:15:14.623Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/bcosca/fatfree/releases"
    },
    {
      "type": "FIX",
      "url": "https://github.com/bcosca/fatfree-core/commit/dae95a0baf3963a9ef87c17cee52f78f77e21829"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}