CVE-2021-42063
CVE-2021-42063 is a medium-severity vulnerability in Sap Knowledge Warehouse with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 22% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 4.3
- EPSS exploit prediction: 22% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Sap Knowledge Warehouse
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-42063?
- 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.
- How severe is CVE-2021-42063?
- CVE-2021-42063 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-42063 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-42063?
- CVE-2021-42063 primarily affects Sap Knowledge Warehouse. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-42063?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-42063 published?
- CVE-2021-42063 was published on 2021-12-14 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/166369/SAP-Knowledge-Warehouse-7.50-7.40-7.31-7.30-Cross-Site-Scripting.html
- http://seclists.org/fulldisclosure/2022/Mar/32
- https://launchpad.support.sap.com/#/notes/3102769
- https://wiki.scn.sap.com/wiki/display/PSR/SAP+Security+Patch+Day+-+December+2021
Affected products (4)
- cpe:2.3:a:sap:knowledge_warehouse:7.30:*:*:*:*:*:*:*
- cpe:2.3:a:sap:knowledge_warehouse:7.31:*:*:*:*:*:*:*
- cpe:2.3:a:sap:knowledge_warehouse:7.40:*:*:*:*:*:*:*
- cpe:2.3:a:sap:knowledge_warehouse:7.50:*:*:*:*:*:*:*
Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities
- CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
- CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
- CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
- CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
- CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
- CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…
Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →