What is CVE-2021-33680?

CVE-2021-33680 is a medium-severity vulnerability in SAP 3d Visual Enterprise Viewer, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2021-07-14.

How severe is CVE-2021-33680?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in SAP 3d Visual Enterprise Viewer

CVE-2021-33680

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.

Vulnerability class: Buffer Overflow

Published 2021-07-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

SAP 3d Visual Enterprise Viewer — versions 9
SAP Se 3d Visual Enterprise Viewer — versions < 9.0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

wiki.scn.sap.com/wiki/pages/viewpage.action (Vendor Advisory)
launchpad.support.sap.com/ (Permissions Required)

Frequently asked questions

What is CVE-2021-33680?: CVE-2021-33680 is a medium-severity vulnerability in SAP 3d Visual Enterprise Viewer, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2021-07-14.
How severe is CVE-2021-33680?: Medium severity. CVSS v3 base score is 6.5 out of 10.