ET WEB_SPECIFIC_APPS Adobe Experience Manager Forms Insecure Deserialization (CVE-2025-49533)

Query · suricata

flow:established,to_server;
http.uri;
content:"/FormServer/servlet/GetDocumentServlet|3f|"; fast_pattern; startswith;
content:"serDoc|3d|";
content:"H4sIAA";
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS Adobe Experience Manager Forms Insecure Deserialization (CVE-2025-49533) · 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 Adobe Experience Manager Forms Insecure Deserialization (CVE-2025-49533)";
    flow:established,to_server;
    http.uri;
    content:"/FormServer/servlet/GetDocumentServlet|3f|"; fast_pattern; startswith;
    content:"serDoc|3d|";
    content:"H4sIAA";
    reference:url,slcyber.io/assetnote-security-research-center/struts-devmode-in-2025-critical-pre-auth-vulnerabilities-in-adobe-experience-manager-forms/;
    reference:cve,2025-49533;
    classtype:web-application-attack;
    sid:2064045; rev:1;
    metadata:affected_product Adobe_Experience_Manager, attack_target Server, tls_state TLSDecrypt, created_at 2025_08_19, cve CVE_2025_49533, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_19, 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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