ET WEB_SPECIFIC_APPS Atlassian Bitbucket CVE-2022-1471 Vulnerable Server Detected Version 7.17.x - 7.21.15

Query · suricata

flow:established,to_client;
http.response_body;
content:"Atlassian|20|Bitbucket|20 3c|span|20|"; fast_pattern;
content:"data|2d|system|2d|build|2d|number|3d 22|"; within:250;
content:"|22 3e 20|v7|2e|"; within:50;
pcre:"/^(?:2(?:1\.(?:1[0-5]?|[02-9])(?!\d)|0\.)|1[789]\.)/R";
threshold:type limit, count 1, seconds 3600, track by_src;
target:src_ip;
Raw source ET WEB_SPECIFIC_APPS Atlassian Bitbucket CVE-2022-1471 Vulnerable Server Detected Version 7.17.x - 7.21.15 · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http [$HOME_NET,$HTTP_SERVERS] any -> any any (
    msg:"ET WEB_SPECIFIC_APPS Atlassian Bitbucket CVE-2022-1471 Vulnerable Server Detected Version 7.17.x - 7.21.15";
    flow:established,to_client;
    http.response_body;
    content:"Atlassian|20|Bitbucket|20 3c|span|20|"; fast_pattern;
    content:"data|2d|system|2d|build|2d|number|3d 22|"; within:250;
    content:"|22 3e 20|v7|2e|"; within:50;
    pcre:"/^(?:2(?:1\.(?:1[0-5]?|[02-9])(?!\d)|0\.)|1[789]\.)/R";
    threshold:type limit, count 1, seconds 3600, track by_src;
    reference:url,confluence.atlassian.com/security/cve-2022-1471-snakeyaml-library-rce-vulnerability-in-multiple-products-1296171009.html;
    reference:cve,2022-1471;
    classtype:web-application-activity;
    sid:2049637; rev:2;
    metadata:affected_product Atlassian, attack_target Web_Server, created_at 2023_12_12, cve CVE_2022_1471, deployment Perimeter, deployment Internal, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_07_23;
    target:src_ip;
)

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