alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING Fortinet FortiWLM Unauthenticated SQL Injection (CVE-2023-34991)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/ems/cgi-bin/ezrf_upgrade_images.cgi"; fast_pattern; content:"op_type=editimage"; content:"imageName|3d|"; content:"description|3d|"; reference:url,www.horizon3.ai/attack-research/attack-blogs/fortiwlm-the-almost-story-for-the-forti-forty; reference:cve,2023-34991; classtype:web-application-activity; sid:2058409; rev:1; metadata:affected_product FortiWLM, attack_target Server, tls_state TLSDecrypt, created_at 2024_12_19, cve CVE_2023_34991, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2024_12_19, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)