""ET EXPLOIT Possible vRealize Operations Manager API SSRF Attempt (CVE-2021-21975)""

SID: 2034974

Revision: 1

Class Type: attempted-admin

Metadata: attack_target Server, created_at 2022_01_25, cve CVE_2021_21975, deployment Perimeter, deployment Internal, signature_severity Major, tag Exploit, updated_at 2022_01_25

Reference:

  • cve

  • 2021-21975

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "|5b|"

  • Value: "POST /casa/nodes/thumbprints HTTP/1.1"

  • Value: "Content-Type|3a 20|application/json|3b|charset=UTF-8|0d 0a|"

Within:

PCRE:

Special Options:

  • http_client_body

  • fast_pattern

  • http_header

source