CVE-2021-27641
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 TIF 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 · moderate confidenceA denial-of-service vulnerability exists in SAP 3D Visual Enterprise Viewer version 9 due to improper input validation when parsing TIF files. Opening a specially crafted TIF file from an untrusted source causes the application to crash and become unavailable until the user restarts the application.
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 installation and versionCheck the installed version of SAP 3D Visual Enterprise Viewer by opening the application and navigating to Help > About, or locate the executable file (typically in Program Files) and check its file properties for version information.Affected if The installed version is exactly version 9.
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Identify TIF file processing capabilityConfirm the application can open or process TIF image files by attempting to open a standard TIF file or reviewing the application file association settings for .tif and .tiff extensions.Affected if TIF file type associations are enabled and the application is configured to handle TIF files.
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Assess file handling from untrusted sourcesReview whether the application is used in workflows where TIF files from untrusted or external sources are opened, such as viewing received attachments, files from clients, or downloaded content.Affected if Users routinely open TIF files from untrusted or external sources without prior validation.
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Check for application crash indicatorsExamine Windows Event Viewer under Application logs for recent crashes or faulting application events related to SAP 3D Visual Enterprise Viewer, particularly when TIF files were recently opened.Affected if Recent application crashes have occurred following TIF file opening.
A user is affected if they have SAP 3D Visual Enterprise Viewer version 9 installed and use it to open TIF files from untrusted sources, as the vulnerability is triggered during TIF file parsing.
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 dataAvoid opening TIF files from untrusted sources. Apply vendor security patches when released. Consider implementing application-level file validation or sandboxing for file processing.
- Consultation2.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2021-27641 — 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-2021-27641 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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