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

SID: 2035010

Revision: 1

Class Type: attempted-admin

Metadata: attack_target Server, created_at 2022_01_28, cve CVE_2019_12643, deployment Perimeter, deployment Internal, signature_severity Major, tag Exploit, 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

Reference:

  • cve

  • 2019-12643

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: 55443

Flow: established,to_server

Contents:

  • Value: "GET /api/v1/auth/token-services/debug HTTP/1.1"

  • Value: "Accept|3a 20|application/json|0d 0a|"

Within:

PCRE:

Special Options:

  • nocase

  • fast_pattern

  • http_header

source