CVE-2020-6284 Cross-site scripting in SAP NetWeaver (Knowledge Management)

Critical 9.0 Published 12 Aug 2020 Updated 4 Aug 2024

Stored XSS in SAP NetWeaver allows script execution with user privileges, potentially leading to system compromise if the user has admin rights.

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

What is CVE-2020-6284?

CVE-2020-6284 is a critical cross-site scripting vulnerability in SAP NetWeaver (Knowledge Management), published on 12 Aug 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

SAP NetWeaver (Knowledge Management), versions - 7.30, 7.31, 7.40, 7.50, allows the automatic execution of script content in a stored file due to inadequate filtering with the accessing user's privileges. If the accessing user has administrative privileges, then the execution of the script content could result in complete compromise of system confidentiality, integrity and availability, leading to Stored Cross Site Scripting.

Weakness: CWE-79

Which versions are affected by CVE-2020-6284?

It affects 1 product.

Products include Sap Netweaver Knowledge Management.

How do I fix CVE-2020-6284?

No fix has been published for CVE-2020-6284 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-2020-6284 being exploited?

There is no known exploitation of CVE-2020-6284 in the wild and no public exploit code.

Sources

Also known as GHSA-qh9g-xc58-f7h9.