""ET WEB_SPECIFIC_APPS Possible Apache Unomi OGNL Eval RCE Inbound M2 (CVE-2020-13942)""

SID: 2031220

Revision: 2

Class Type: attempted-admin

Metadata: affected_product Apache_HTTP_server, attack_target Server, created_at 2020_11_19, cve CVE_2020_13942, deployment Perimeter, deployment Internal, signature_severity Major, updated_at 2020_11_19

Reference:

  • cve

  • 2020-13942

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "condition|22 3a|"

  • Value: "getClass|28|"

  • Value: ".runtime"

  • Value: "getDeclaredMethods|28|"

  • Value: ".invoke|28|"

Within:

PCRE:

Special Options:

  • http_method

  • http_client_body

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • fast_pattern

  • http_client_body

source