VULNERABILITY INTELLIGENCE

CVE-2020-5203

CVSS score9.8 CRITICAL

EPSS probability2.14%

CISA KEVNot currently listed

Published2020-03-11

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

nvd@nist.gov: CWE-20

Primary references

cve@mitre.org — Patch, Third Party Advisory
cve@mitre.org — Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Third Party Advisory