CVE Database›CVE-2024-4577

CVE-2024-4577

php: Argument Injection in PHP-CGI

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Severity

Critical

Red Hat Product Security

9.8

CVSS 3.1

Review impact separately from score.

Published · June 7, 2024

Updated · November 21, 2025

Description

A flaw was found in PHP versions 8.1 before 8.1.29, 8.2 before 8.2.20, and 8.3 before 8.3.8. When using Apache and PHP-CGI on Windows, if the system is set up to use certain code pages, Windows may use the "Best-Fit" behavior to replace characters in the command line given to Win32 API functions. The PHP CGI module may misinterpret those characters as PHP options that allow a malicious user to pass options to the PHP binary being run, revealing the source code of scripts or running arbitrary PHP code on the server.

Statement

No Red Hat products are affected by this CVE.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')