""ET EXPLOIT SonicWall SMA 100 Series - Unauthenticated File Upload Path Traversal (CVE-2021-20040)""

SID: 2034896

Revision: 1

Class Type: attempted-admin

Metadata: attack_target Server, created_at 2022_01_12, cve CVE_2021_20040, deployment Perimeter, deployment Internal, signature_severity Major, tag Exploit, updated_at 2022_01_12, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application

Reference:

• cve

• 2021-20040

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: "swcctn="

• Value: "|2e 2f|"

Within: 3

PCRE:

Special Options:

• http_method

• http_uri

• fast_pattern

• http_uri

source