CVE-2021-42063 Cross-site scripting in SAP Knowledge Warehouse

Medium 6.1 Published Updated

Unauthorized attackers can execute cross-site scripting attacks in SAP Knowledge Warehouse via web browser, potentially disclosing sensitive data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-42063?

CVE-2021-42063 is a medium-severity cross-site scripting vulnerability in SAP Knowledge Warehouse, published on 14 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-79

Which versions are affected by CVE-2021-42063?

It affects 1 product.

Products include Sap Knowledge Warehouse.

How do I fix CVE-2021-42063?

No fix has been published for CVE-2021-42063 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-42063 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-42063 exists.

Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.

Sources

Also known as GHSA-rw6f-wgvq-rrvg.

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