CVE-2021-33659
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedSAP 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.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceSAP 3D Visual Enterprise Viewer version 9 contains an improper input validation vulnerability when parsing GIF files. A user opening a manipulated GIF file from an untrusted source causes the application to crash and become unavailable until the user restarts the application, resulting in a denial-of-service condition.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 9CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Verify SAP 3D Visual Enterprise Viewer is installedCheck installed programs or application list for SAP 3D Visual Enterprise ViewerAffected if The application appears in the system installed programs list
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Determine the installed versionOpen the application and check Help > About, or right-click the executable and view Properties > Details for version informationAffected if Version reported is exactly 9 (version 9.0)
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Confirm GIF file parsing capability existsAttempt to open a standard GIF file through File > Open or drag-and-drop a GIF into the applicationAffected if The application loads and displays GIF files, indicating the parsing feature is active
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Check for recent application crashesReview Windows Event Viewer > Windows Logs > Application for crash events related to the viewer executable (e.g., sap3dvisualenterpriseviewer.exe) around the time of opening GIF filesAffected if Application crash events occur when processing GIF files from untrusted sources
A user is affected if SAP 3D Visual Enterprise Viewer version 9 is installed and the application is used to open or view GIF files, as the improper input validation in GIF parsing triggers a denial-of-service condition.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUsers should avoid opening GIF files from untrusted or unknown sources. Apply the vendor patch when released by SAP. Consider implementing enterprise-level file type restrictions or sandboxing for applications that process untrusted media files.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-33659 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2021-33659 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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