""ET WEB_SPECIFIC_APPS Apache Struts ognl inbound OGNL injection remote code execution attempt""

SID: 2026031

Revision: 3

Class Type: attempted-admin

Metadata: affected_product Apache_Struts2, attack_target Server, created_at 2018_08_24, cve CVE_2018_11776, deployment Datacenter, signature_severity Minor, updated_at 2022_04_18, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application

Reference:

  • cve

  • 2018-11776

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HTTP_SERVERS

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "${"

  • Value: "ognl|2E|"

Within:

PCRE:

Special Options:

  • http_uri

  • http_uri

  • fast_pattern

source