ET EXPLOIT Cisco REST API Container for Cisco IOS XE Software Authentication Bypass Attempt (CVE-2019-12643)

Query · suricata

flow:established,to_server;
flowbits:set,ET.Cisco_ABypass;
http.request_line;
content:"get /api/v1/auth/token-services/debug http/1.1"; nocase; fast_pattern;
http.accept;
content:"application/json"; nocase;
target:dest_ip;

Rule dependencies

Feeds into

  • 2 rules read ET.Cisco_ABypass · view all
Raw source ET EXPLOIT Cisco REST API Container for Cisco IOS XE Software Authentication Bypass Attempt (CVE-2019-12643) · 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 -> [$HOME_NET,$HTTP_SERVERS] 55443 (
    msg:"ET EXPLOIT Cisco REST API Container for Cisco IOS XE Software Authentication Bypass Attempt (CVE-2019-12643)";
    flow:established,to_server;
    flowbits:set,ET.Cisco_ABypass;
    http.request_line;
    content:"get /api/v1/auth/token-services/debug http/1.1"; nocase; fast_pattern;
    http.accept;
    content:"application/json"; nocase;
    reference:cve,2019-12643;
    classtype:attempted-admin;
    sid:2035010; rev:4;
    metadata:affected_product Cisco_IOS, attack_target Networking_Equipment, created_at 2022_01_28, cve CVE_2019_12643, deployment Perimeter, deployment Internal, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_08_20, 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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