ET EXPLOIT MongoDB Mongobleed Unauthenticated Memory Leak (CVE-2025-14847)

Query · suricata

flow:established,to_server;
flowbits:isnotset,ET.MongoDB_Auth_Attempt;
content:"|dc 07 00 00 dd 07 00 00|"; fast_pattern; offset:12; depth:8;
content:"|02|"; distance:4; within:1;
threshold:type threshold, track by_src, count 10, seconds 120;
target:dest_ip;

Rule dependencies

Excludes

  • ET.MongoDB_Auth_Attempt — excluded, not a dependency
Raw source ET EXPLOIT MongoDB Mongobleed Unauthenticated Memory Leak (CVE-2025-14847) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp any any -> $HOME_NET 27017 (
    msg:"ET EXPLOIT MongoDB Mongobleed Unauthenticated Memory Leak (CVE-2025-14847)";
    flow:established,to_server;
    flowbits:isnotset,ET.MongoDB_Auth_Attempt;
    content:"|dc 07 00 00 dd 07 00 00|"; fast_pattern; offset:12; depth:8;
    content:"|02|"; distance:4; within:1;
    threshold:type threshold, track by_src, count 10, seconds 120;
    reference:url,bigdata.2minutestreaming.com/p/mongobleed-explained-simply;
    reference:cve,2025-14847;
    classtype:attempted-admin;
    sid:2066501; rev:1;
    metadata:affected_product MongoDB, attack_target Server, created_at 2025_12_29, cve CVE_2025_14847, deployment Perimeter, deployment Internal, confidence Low, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_12_29;
    target:dest_ip;
)

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