PHP-CGI Argument Injection (CVE-2024-4577) for 2026-07-09

Jul 09, 2026 Exploitation

Last Updated: 00:00 UTC

CVE-2024-4577 lets an attacker pass command-line options to PHP-CGI on Windows by using a soft hyphen (%AD) that Windows best-fit mapping turns into a dash. Requests set allow_url_include and auto_prepend_file=php://input so the POST body runs as PHP. The RedTail cryptomining botnet (User-Agent libredtail-http) sprays this against every host it finds.

CVE References

CVE-2024-4577

MITRE ATT&CK

Tactic: Initial Access (TA0001)
Technique: T1190 — Exploit Public-Facing Application

Observed URIs

Attackers by Country

Vietnam: 1China: 1United States: 1Russia: 1
Vietnam125.0%
China125.0%
United States125.0%
Russia125.0%

IP Address : ASN : City/Provider

  • 157.10.53.136 : AS151858 INTERDIGI JOINT STOCK COMPANY : Vietnam

  • 47.95.234.23 : AS37963 Hangzhou Alibaba Advertising Co.,Ltd. : Beijing

  • 49.51.72.129 : AS132203 Tencent Building, Kejizhongyi Avenue : Santa Clara

  • 87.251.66.118 : AS207713 Global Internet Solutions LLC : Novosibirsk

Share on: