ET WEB_SPECIFIC_APPS Fortinet FortiWeb OS Command Injection (CVE-2025-58034)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Fortinet FortiWeb OS Command Injection (CVE-2025-58034)";
    flow:established,to_server;
    http.uri;
    content:"/api/v2.0/cmdb/user/saml-user"; fast_pattern;
    pcre:"/^.{1,10}(?:(?:\x2e|%(?:25)?2[Ee]){1,2}(?:\x2f|\x5c|%(?:25)?5[Cc]|%(?:25)?2[Ff]){1,}){2,}/R";
    reference:url,www.pwndefend.com/2025/11/21/fortiweb-cve-2025-58034/;
    reference:cve,2025-58034;
    classtype:web-application-attack;
    sid:2066512; rev:1;
    metadata:affected_product FortiWeb, attack_target Server, tls_state TLSDecrypt, created_at 2025_12_31, cve CVE_2025_58034, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2025_12_31, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)