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CVE-2024-4577

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CVE-2024-4577

Published: Jun 9, 2024

Modified: Oct 21, 2025

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

In PHP versions 8.1.* before 8.1.29, 8.2.* before 8.2.20, 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 "Best-Fit" behavior to replace characters in command line given to Win32 API functions. PHP CGI module may misinterpret those characters as PHP options, which may allow a malicious user to pass options to PHP binary being run, and thus reveal the source code of scripts, run arbitrary PHP code on the server, etc.

VendorProductVersions

PHP Group

PHP

affected
8.1.* - < 8.1.29
affected
8.2.* - < 8.2.20
affected
8.3.* - < 8.3.8

Weaknesses (CWE)

CWE-78

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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