ET WEB_SPECIFIC_APPS BentoML Unauthenticated Remote Command Execution via Insecure Deserialization (CVE-2025-27520)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.content_type;
content:"application/vnd.bentoml+pickle"; fast_pattern;
http.request_body;
content:"|80 04 95|"; startswith;
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS BentoML Unauthenticated Remote Command Execution via Insecure Deserialization (CVE-2025-27520) · 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 BentoML Unauthenticated Remote Command Execution via Insecure Deserialization (CVE-2025-27520)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.content_type;
    content:"application/vnd.bentoml+pickle"; fast_pattern;
    http.request_body;
    content:"|80 04 95|"; startswith;
    reference:url,github.com/advisories/GHSA-33xw-247w-6hmc;
    reference:cve,2025-27520;
    classtype:web-application-activity;
    sid:2061788; rev:1;
    metadata:attack_target Server, tls_state TLSDecrypt, created_at 2025_04_22, cve CVE_2025_27520, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2025_04_22, 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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