Sap Knowledge Warehouse - XSS (CVE-2021-42063)
120Exploiting IPs reported
A security vulnerability has been discovered in the SAP Knowledge Warehouse - versions 7.30, 7.31, 7.40, 7.50. The usage of one SAP KW component within a Web browser enables unauthorized attackers to conduct XSS attacks, which might lead to disclose sensitive data.
CrowdSec analysis
CVE-2021-42063 is a vulnerability in SAP Knowledge Warehouse that can be exploited for cross-site scripting (XSS), potentially leading to disclosure of sensitive data through manipulated browser interactions.
CrowdSec has been tracking this vulnerability and its exploits since 22nd of May 2025.
Data from the CrowdSec community indicates that exploitation of CVE-2021-42063 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations. In addition, according to the CrowdSec network, attack volume against CVE-2021-42063 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.
Observed exploitation attempts typically involve URLs containing /sapirexthelp/random/sapirexthelp/random/.
Exploitation
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Common Weakness Enumeration (CWE)
Protection
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Blocklist
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