ET WEB_SPECIFIC_APPS VMware AirWatch BlobHandler Server Side Request Forgery M1 (CVE-2021-22054)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS VMware AirWatch BlobHandler Server Side Request Forgery M1 (CVE-2021-22054)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/AirWatch/BlobHandler.ashx|3f|"; fast_pattern; startswith;
    content:"Url="; distance:0;
    reference:url,www.assetnote.io/resources/research/encrypting-our-way-to-ssrf-in-vmware-workspace-one-uem-cve-2021-22054;
    reference:cve,2021-22054;
    classtype:attempted-admin;
    sid:2068227; rev:1;
    metadata:affected_product VMware, attack_target Server, tls_state TLSDecrypt, created_at 2026_03_13, cve CVE_2021_22054, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Unknown, tag Exploit, tag CISA_KEV, updated_at 2026_03_13, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)