CVE-2021-33702 Cross-site scripting in SAP NetWeaver Enterprise Portal

High 8.3 Published 10 Aug 2021 Updated 3 Aug 2024

Attackers can inject malicious scripts into reports, leading to code execution in victims' browsers when reports are viewed.

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-2021-33702?

CVE-2021-33702 is a high-severity cross-site scripting vulnerability in SAP NetWeaver Enterprise Portal, published on 10 Aug 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

Under certain conditions, NetWeaver Enterprise Portal, versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not sufficiently encode report data. An attacker can craft malicious data and print it to the report. In a successful attack, a victim opens the report, and the malicious script gets executed in the victim's browser, resulting in a Stored Cross-Site Scripting (XSS) vulnerability.

Weakness: CWE-79

Which versions are affected by CVE-2021-33702?

It affects 1 product.

Products include Sap Netweaver Enterprise Portal.

How do I fix CVE-2021-33702?

No fix has been published for CVE-2021-33702 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-2021-33702 being exploited?

There is no known exploitation of CVE-2021-33702 in the wild and no public exploit code.

Sources

Also known as GHSA-2f44-722h-c7qc.