SAP Knowledge Warehouse - XSS (CVE-2021-42063)
Description
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.
psychologyCrowdSec 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.
CrowdSec network observations suggest that most exploitation of CVE-2021-42063 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2021-42063 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2021-42063 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.
Observed exploitation attempts typically involve URLs containing /sapirexthelp/random/sapirexthelp/random/.
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| Event | Date |
|---|---|
| CVE Published | 2021-12-14 |
| Rule Released | 2025-05-22 |
| CrowdSec First Seen | 2025-05-23 |