Sap Knowledge Warehouse - XSS (CVE-2021-42063)
128Exploiting 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.
Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2021-42063 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2021-42063 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2021-42063 is currently experiencing high visibility and active exploitation across the internet.
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
With our advanced worldwide network detection, CrowdSec can provide a list of IPs known for exploiting the vulnerability.
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