Vulnerability DatabaseCVE-2020-5203
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CVE-2020-5203
Published:March 11, 2020
Updated:May 17, 2026
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.
Affected Packages
bcosca/fatfree (PHP):
Affected version(s) >=release <3.7.2
Fix Suggestion:
Update to version 3.7.2
Related Resources (4)
https://github.com/bcosca/fatfree-core/commit/dae95a0baf3963a9ef87c17cee52f78f77e21829
https://github.com/bcosca/fatfree
https://github.com/bcosca/fatfree/releases
https://nvd.nist.gov/vuln/detail/CVE-2020-5203
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CVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Input Validation
CWE-20
Improper Control of Generation of Code ('Code Injection')
CWE-94
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-74
EPSS
Base Score:
0.65