Versions (5)
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Rev: 2 • Jan 28, 2022, 12:00 PMET EXPLOIT Cisco REST API Container for Cisco IOS XE Software Authentication Bypass - Successful Exploit (CVE-2019-12643)
alert http [$HOME_NET,$HTTP_SERVERS] 55443 -> any any (msg:"ET EXPLOIT Cisco REST API Container for Cisco IOS XE Software Authentication Bypass - Successful Exploit (CVE-2019-12643)"; flow:established,from_server; flowbits:isset,ET.Cisco_ABypass; http.stat_code; content:"200"; file.data; content:"|5b 7b 22|last-access-time|22 3a|"; fast_pattern; content:"|22|token-id|22 3a 20 22|"; within:200; pcre:"/^[a-zA-Z0-9]{5,40}/R"; xbits:set,ET.Cisco_ABypass,track ip_pair,expire 60; reference:cve,2019-12643; classtype:successful-admin; sid:2035011; rev:2; 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 2022_01_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)
Jan 28, 2022, 12:00 PM
Jan 28, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 8, 2025, 9:34 PM
rules/emerging-exploit.rules