CVE-2021-33680 Memory corruption in SAP 3D Visual Enterprise Viewer

Medium 4.3 Published 14 Jul 2021 Updated 3 Aug 2024

A buffer overflow in SAP 3D Visual Enterprise Viewer allows attackers to crash the application via a manipulated CGM file, causing denial of service.

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-2021-33680?

CVE-2021-33680 is a medium-severity memory corruption vulnerability in Sap 3d Visual Enterprise Viewer, published on 14 Jul 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

SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated CGM file received from untrusted sources which causes buffer overflow and causes the application to crash and becoming temporarily unavailable until the user restarts the application.

Weakness: CWE-120

Which versions are affected by CVE-2021-33680?

It affects 1 product.

Products include Sap 3d Visual Enterprise Viewer.

How do I fix CVE-2021-33680?

No fix has been published for CVE-2021-33680 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-33680 being exploited?

There is no known exploitation of CVE-2021-33680 in the wild and no public exploit code.

All Sap 3d Visual Enterprise Viewer vulnerabilities

Sources

Also known as GHSA-94wr-m4v4-2j9m.