CVE-2021-42063

mediumpriority · track · 42EPSS 0.234 · 98 %ileexploit · PoCDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

23.4% (98th) EPSS

CVSS 4.3 · medium

Is it mine?

9 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

Cappricio-Securities/CVE-2021-42063SAP Knowledge Warehouse <=7.5.0 - Cross-Site ScriptingPoC · poc_in_github

affected products (9)

Products and version ranges known to be affected.

SAP Softwareall versionscert_bundDEcpe:/a:sap:sap:-
SAP SE SAP Knowledge Warehouse≤ < 7.50enisa_euvdEU
SAP SE SAP Knowledge Warehouse≤ < 7.40enisa_euvdEU
SAP SE SAP Knowledge Warehouse≤ < 7.30enisa_euvdEU
SAP SE SAP Knowledge Warehouse≤ < 7.31enisa_euvdEU
sap knowledge warehouse= 7.30nvdUScpe:2.3:a:sap:knowledge_warehouse:*:*:*:*:*:*:*:*
sap knowledge warehouse= 7.31nvdUScpe:2.3:a:sap:knowledge_warehouse:*:*:*:*:*:*:*:*
sap knowledge warehouse= 7.40nvdUScpe:2.3:a:sap:knowledge_warehouse:*:*:*:*:*:*:*:*
sap knowledge warehouse= 7.50nvdUScpe:2.3:a:sap:knowledge_warehouse:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1437SAP Patchday Juni 2023Deutsch2023-06-12csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in SAP Software ausnutzen, um Sicherheitsmaßnahmen zu umgehen, einen Denial-of-Service-Zustand zu verursachen, Daten zu manipulieren und einen Cross-Site-Scripting-Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2021-12-14modified 2026-06-17

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+53004 more

references (15)

External citations — patches, advisories, analysis.

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