How severe is CVE-2021-33659?

CVE-2021-33659 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-33659 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33659?

CVE-2021-33659 affects Sap 3d Visual Enterprise Viewer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33659?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-33659 published?

CVE-2021-33659 was published on 2021-06-09 and last updated on 2026-06-17.

CVE-2021-33659

CVE-2021-33659 is a medium-severity vulnerability in Sap 3d Visual Enterprise Viewer with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Sap 3d Visual Enterprise Viewer
Published: 2021-06-09
Last modified: 2026-06-17

Description

SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated GIF 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.

Frequently asked questions

What is CVE-2021-33659?: SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated GIF 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.
How severe is CVE-2021-33659?: CVE-2021-33659 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-33659 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33659?: CVE-2021-33659 affects Sap 3d Visual Enterprise Viewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33659?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33659 published?: CVE-2021-33659 was published on 2021-06-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sap:3d_visual_enterprise_viewer:9:*:*:*:*:*:*:*

More vulnerabilities in Sap 3d Visual Enterprise Viewer

CVE-2021-21463 — High (CVSS 8.8): SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated PCX file received from untrusted…
CVE-2021-21462 — High (CVSS 8.8): SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated PCX file received from untrusted…
CVE-2021-21461 — High (CVSS 8.8): SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated BMP file received from untrusted…
CVE-2021-21460 — High (CVSS 8.8): SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated DIB file received from untrusted…
CVE-2021-21459 — High (CVSS 8.8): SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated IFF file received from untrusted…
CVE-2021-21458 — High (CVSS 8.8): SAP 3D Visual Enterprise Viewer, version - 9, allows a user to open manipulated IFF file received from untrusted…

All CVEs affecting Sap 3d Visual Enterprise Viewer →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →