ET WEB_SPECIFIC_APPS Apache Tika XML External Entity Injection (CVE-2025-66516)

Query · suricata

flow:established,to_server;
http.request_body;
content:"|25|PDF|2d|1|2e|";
content:"|0a 2f|NeedAppearances|20|"; fast_pattern;
content:"|0a 2f|XFA|20|";
content:"|3c 21|ENTITY|20|"; distance:0;
content:"|20|SYSTEM|20|"; distance:0;
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS Apache Tika XML External Entity Injection (CVE-2025-66516) · 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 Apache Tika XML External Entity Injection (CVE-2025-66516)";
    flow:established,to_server;
    http.request_body;
    content:"|25|PDF|2d|1|2e|";
    content:"|0a 2f|NeedAppearances|20|"; fast_pattern;
    content:"|0a 2f|XFA|20|";
    content:"|3c 21|ENTITY|20|"; distance:0;
    content:"|20|SYSTEM|20|"; distance:0;
    reference:url,xz.aliyun.com/news/90783;
    reference:cve,2025-66516;
    classtype:web-application-attack;
    sid:2066322; rev:1;
    metadata:affected_product Apache_Tika, attack_target Server, tls_state TLSDecrypt, created_at 2025_12_15, cve CVE_2025_66516, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2025_12_15, 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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