VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVReported exploited: VulnCheck KEV since Published EPSS 23.4% probability of exploitation in 30 days
SAP

CVE-2021-42063: A security vulnerability has been discovered in the SAP Knowledge Warehouse - versions 7.30, 7.31, 7.40, 7.50.

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .

VulnCheck KEV lists it since . It cites 2 public reports, the first from .

How likely is exploitation in the next 30 days?
23.4%

EPSS score, percentile 97.8 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?
Not scored

The CVE record carries no CVSS score.

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • < 7.30
  • < 7.31
  • < 7.40
  • < 7.50

Versions by product

Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

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.

Source: CVE List, as of . About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Versions by product, as listed in the CVE record (1 product)
SAP SE SAP Knowledge Warehouse
StatusVersions
Affected< 7.30
Affected< 7.31
Affected< 7.40
Affected< 7.50

Source: CVE List, as of . About the data.

Timeline

DateEvent
CVE record published
CVE record last updated

References

4

Known exploited SAP vulnerabilities

  • CVE-2025-42999: SAP NetWeaver Deserialization Vulnerability (added )
  • CVE-2025-31324: SAP NetWeaver Unrestricted File Upload Vulnerability (added )
  • CVE-2017-12637: SAP NetWeaver Directory Traversal Vulnerability (added )
  • CVE-2019-0344: SAP Commerce Cloud Deserialization of Untrusted Data Vulnerability (added )
  • CVE-2022-22536: SAP Multiple Products HTTP Request Smuggling Vulnerability (added )