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Critical PHP Vulnerability Under Mass Exploitation: Immediate Action Required



The Download

A critical PHP remote code execution (RCE) vulnerability, identified as CVE-2024-4577, is currently being widely exploited, posing significant risks to Windows systems running PHP in CGI mode. Despite a patch released in June 2024, many systems remain unpatched, leaving them vulnerable. Threat actors can exploit this flaw to execute arbitrary code, potentially leading to full system compromise. Notably, attackers have targeted organizations since early January 2025, with activities including credential theft, establishing persistence, privilege escalation, and deploying adversarial tools like the "TaoWu" Cobalt Strike kit.


What You Can Do

To mitigate this threat, IT administrators should promptly apply the security patch released in June 2024 to all affected PHP installations. It's crucial to verify that PHP is not running in CGI mode unless absolutely necessary. Implementing continuous monitoring for unusual activities, conducting regular security assessments, and employing intrusion detection systems can further enhance defenses against such exploits. Additionally, reviewing system logs for indicators of compromise, such as unauthorized access attempts or deployment of known adversarial tools, is essential for early detection and response.


Use the ThreatMate platform to continuously monitor websites for vulnerabilities.


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