CVE-2024-4577 Scanner
CVE-2024-4577 scanner - Argument Injection vulnerability in PHP CGI
Used 2.8k times · 3.4k assets checked · url
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CISA Known Exploited Vulnerability
This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.
CVE
CVE-2024-4577
9.8
CVSScritical
Exploitable remotely over the internet · no authentication required.
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.
Attack Vector
Network
Privileges Req.
None
User Interaction
None
php
Updated Sep 28, 2026View on NVD →
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CVE history: php
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