""ET EXPLOIT Fortinet FortiWeb OS Command Injection Inbound M1 (CVE-2021-22123)""

SID: 2033738

Revision: 1

Class Type: attempted-admin

Metadata: attack_target Server, created_at 2021_08_18, cve CVE_2021_22123, deployment Perimeter, deployment Internal, signature_severity Major, tag Exploit, updated_at 2021_08_18, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application

Reference:

  • cve

  • 2021-22123

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/remoteserver.saml"

  • Value: "form-data|3b 20|name=|22|name|22|"

  • Value: "|60|"

  • Value: "--------"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • nocase

  • http_client_body

  • http_client_body

  • http_client_body

source