{"id":"CVE-2020-5203","aliases":["EUVD-2022-4185","GHSA-hpj2-4hfj-g233"],"status":"published","title":"Fat-Free Framework arbitrary code execution","description":"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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02137,"percentile":0.8217,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20","CWE-74","CWE-94"],"published":"2020-03-11T13:28:03Z","modified":"2026-10-24T10:50:39Z","fixes":[{"ecosystem":"Packagist","package":"bcosca/fatfree","fixed_in":["3.7.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"bcosca/fatfree","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.2"}]}]},{"source":"osv","ecosystem":"Packagist","package":"bcosca/fatfree","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.2"}]}],"versions":["3.1.1","3.1.2","3.2.0","3.2.1","3.2.2","3.3.0","3.4.0","3.5.0","3.5.1","3.6.0","3.6.1","3.6.2","3.6.3","3.6.4","3.6.5","3.7.0","3.7.1"]}],"products":[{"vendor":"fatfreeframework","product":"fat-free_framework"}],"references":[{"url":"https://github.com/bcosca/fatfree/releases","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"https://github.com/bcosca/fatfree-core/commit/dae95a0baf3963a9ef87c17cee52f78f77e21829","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5203","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hpj2-4hfj-g233"},{"url":"https://github.com/bcosca/fatfree","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-5203","description":"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.","status":"published","published":"2020-03-11T13:28:03Z","modified":"2024-08-04T08:22:08.672Z","updated_at":"2026-11-02T14:35:47.22408Z"}],"euvd":[{"id":"EUVD-2022-4185","description":"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 $_POST) to the framework's Clear method.","status":"published","published":"2020-03-11T13:28:03Z","modified":"2024-08-04T08:22:08Z","updated_at":"2026-11-03T03:08:07.28588Z"}],"ghsa":[{"id":"GHSA-hpj2-4hfj-g233","title":"Fat-Free Framework arbitrary code execution","description":"In Fat-Free Framework 3.7.1, attackers can achieve arbitrary code execution if developers choose to pass user controlled input (e.g., `$_REQUEST`, `$_GET`, or `$_POST`) to the framework's Clear method.","status":"published","published":"2022-05-24T17:10:47Z","modified":"2024-04-25T21:20:30Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:37:46.667202Z"}],"nvd":[{"id":"CVE-2020-5203","description":"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.","status":"published","published":"2020-03-11T14:15:14.623Z","modified":"2026-06-17T03:21:01.04Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-20","CWE-94"],"updated_at":"2026-11-02T14:05:55.32877Z"}],"osv":[{"id":"CVE-2020-5203","description":"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 $_POST) to the framework's Clear method.","status":"published","published":"2020-03-11T14:15:14.623Z","modified":"2026-10-24T10:50:39.970307484Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:16.936975Z"},{"id":"GHSA-hpj2-4hfj-g233","title":"Fat-Free Framework arbitrary code execution","description":"In Fat-Free Framework 3.7.1, attackers can achieve arbitrary code execution if developers choose to pass user controlled input (e.g., `$_REQUEST`, `$_GET`, or `$_POST`) to the framework's Clear method.","status":"published","published":"2022-05-24T17:10:47Z","modified":"2024-04-25T21:43:28.074981Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T15:46:49.28217Z"}]}}