ET WEB_SPECIFIC_APPS Commvault Code Injection via User description Property

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/commandcenter/RestServlet/User/"; fast_pattern; startswith;
http.request_body;
content:"|3c|description|3e|";
pcre:"/^[^\x3c]*?\w+\x28\x29\x2e\w+\x28/R";
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS Commvault Code Injection via User description Property · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Commvault Code Injection via User description Property";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/commandcenter/RestServlet/User/"; fast_pattern; startswith;
    http.request_body;
    content:"|3c|description|3e|";
    pcre:"/^[^\x3c]*?\w+\x28\x29\x2e\w+\x28/R";
    reference:url,labs.watchtowr.com/guess-who-would-be-stupid-enough-to-rob-the-same-vault-twice-pre-auth-rce-chains-in-commvault/;
    classtype:web-application-attack;
    sid:2064168; rev:1;
    metadata:affected_product Commvault, attack_target Server, tls_state TLSDecrypt, created_at 2025_08_26, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)

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