ET WEB_SPECIFIC_APPS Atlassian Confluence Data Center and Server Authenticated RCE (CVE-2024-21683)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Atlassian Confluence Data Center and Server Authenticated RCE (CVE-2024-21683)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/admin/plugins/newcode/addlanguage.action"; fast_pattern;
    http.content_type;
    content:"multipart/form-data|3b|";
    http.request_body;
    content:"atl_token";
    content:"newLanguageName";
    content:"Content-Type|3a 20|text/javascript";
    reference:url,realalphaman.substack.com/p/quick-note-about-cve-2024-21683-authenticated;
    reference:cve,2024-21683;
    classtype:web-application-activity;
    sid:2056094; rev:1;
    metadata:affected_product Atlassian_Confluence, attack_target Server, tls_state plaintext, created_at 2024_09_24, cve CVE_2024_21683, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2024_09_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)