CVE-2021-34332
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 · uneditedA vulnerability has been identified in JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2). The BMP_Loader.dll library in affected applications lacks proper validation of user-supplied data when parsing BMP files. A malformed input file could result in an infinite loop condition that leads to denial of service condition. An attacker could leverage this vulnerability to consume excessive resources. (CNVD-C-2021-79300)
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 vulnerability exists in the BMP_Loader.dll library used by JT2Go and Teamcenter Visualization. The library lacks proper validation of user-supplied data when parsing BMP files, allowing malformed input to trigger an infinite loop that consumes excessive resources and causes denial of service.
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< 13.2.0< 13.2.0CVSS 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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Identify installed Siemens visualization productsCheck if JT2Go or Teamcenter Visualization is installed on the system by looking in typical installation directories such as C:\Program Files\Siemens or using system inventory toolsAffected if Either JT2Go or Teamcenter Visualization is present on the system
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Locate the BMP_Loader.dll libraryAffected if BMP_Loader.dll exists in the product installation directory
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Determine installed product versionRight-click the main executable (JT2Go.exe or Teamcenter Visualization executable), select Properties, and check the File Version field, or use the product's About/Help menu to view version informationAffected if The product version is below 13.2.0
A user is affected if they have JT2Go or Teamcenter Visualization installed with a version prior to 13.2.0, as this indicates the vulnerable BMP_Loader.dll library is present.
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 data13.2.0
Upgrade JT2Go and Teamcenter Visualization to version V13.2 or later to obtain the patched BMP_Loader.dll library; avoid opening untrusted BMP files until the upgrade is applied.
- Consultation1.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-34332 — 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-2021-34332 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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