Versions (2)
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Rev: 1 • Dec 2, 2025, 12:00 PMET WEB_SPECIFIC_APPS Cacti host.php snmp_community Parameter Command Injection Attempt (CVE-2025-66399)
alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Cacti host.php snmp_community Parameter Command Injection Attempt (CVE-2025-66399)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:15; content:"/cacti/host.php"; fast_pattern; http.request_body; content:"snmp_community|3d|"; pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R"; reference:url,github.com/Cacti/cacti/security/advisories/GHSA-c7rr-2h93-7gjf; reference:cve,2025-66399; classtype:attempted-admin; sid:2065991; rev:1; metadata:affected_product Cacti, attack_target Web_Server, tls_state plaintext, created_at 2025_12_02, cve CVE_2025_66399, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_12_02, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)
Dec 2, 2025, 12:00 PM
Dec 2, 2025, 12:00 PM
Dec 2, 2025, 11:34 PM
Dec 3, 2025, 10:34 PM
rules/emerging-web_specific_apps.rules