CVE-2024-4577 — PHP CGI Argument Injection (Windows)
Overview
An argument injection vulnerability in PHP on Windows with CGI mode allows remote unauthenticated attackers to execute arbitrary code. Affects PHP 8.1, 8.2, 8.3 on Windows.
Vulnerability details
- CVE ID
- CVE-2024-4577
- Vulnerability
- PHP CGI Argument Injection (Windows)
- Vendor
- cpe
- Affected products
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- Severity
- CRITICAL
- Exploitation status
- Actively exploited in the wild (CISA KEV)
- CVSS
- 9.8
- Published
- 2024-06-06
Remediation guidance
CVE-2024-4577 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.
Apply the vendor's official security update for cpe the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.
Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.
Authoritative references
Remediate CVE-2024-4577 — and stay ahead of the next one
CVE-2024-4577 is listed in the CISA KEV catalog as actively exploited — treat remediation as urgent. Scan your domain free to see whether CVE-2024-4577 and other cpe issues affect you and get a prioritized remediation report (full report from ₹999) — or stream the full feed of 1,600+ actively-exploited CVEs straight into your SOC.
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