What is CVE-2021-21459?

CVE-2021-21459 is a high-severity vulnerability in SAP 3d Visual Enterprise Viewer, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-01-12.

How severe is CVE-2021-21459?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in SAP 3d Visual Enterprise Viewer

CVE-2021-21459

SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated IFF file received from untrusted sources which results in crashing of the application and becoming temporarily unavailable until the user restarts the application, this is caused due to Improper Input Validation.

Vulnerability class: Buffer Overflow

Published 2021-01-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.9th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

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

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2021-21459?: CVE-2021-21459 is a high-severity vulnerability in SAP 3d Visual Enterprise Viewer, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-01-12.
How severe is CVE-2021-21459?: High severity. CVSS v3 base score is 8.8 out of 10.