Rule History

SID: 2035010 • Source: et/open

Versions (6)

Version DetailsCurrent

Rev: 3 • Jan 28, 2022, 12:00 PM

Message:

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

Rule:

alert http any any -> [$HOME_NET,$HTTP_SERVERS] 55443 (msg:"ET EXPLOIT Possible 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:3; metadata:created_at 2022_01_28, cve CVE_2019_12643, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_05_15, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)

Created:

Jan 28, 2022, 12:00 PM

Updated:

May 15, 2026, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 15, 2026, 8:34 PM

Filename:

rules/emerging-exploit.rules