CVE-2021-33208
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 · uneditedThe "Register an Ehcache Configuration File" admin feature in MashZone NextGen through 10.7 GA allows XXE attacks via a malicious XML configuration file.
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 confidenceMashZone NextGen through version 10.7 GA contains an XML External Entity (XXE) injection vulnerability in the admin feature for registering Ehcache configuration files. An authenticated administrator can upload a malicious XML configuration file containing external entity references to read local files or perform server-side request forgery attacks.
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<= 10.7CVSS 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
- Network
- Complexity
- Low
- Privileges
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/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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Confirm MashZone NextGen installation and versionLocate the MashZone NextGen installation directory (commonly under SoftwareAG or similar paths). Check for version information in release notes, version files, or the product's about/admin interface. Compare the installed version to 10.7 GA (any version <= 10.7 is affected).Affected if The installed version of MashZone NextGen is 10.7 GA or any earlier version.
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Verify administrator access to the systemConfirm you have administrative credentials for the MashZone NextGen admin interface. The vulnerability requires an authenticated administrator session to access the Ehcache configuration registration feature.Affected if You can log in as an administrator to the MashZone NextGen admin console.
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Locate the Ehcache configuration registration featureAccess the admin interface and navigate to the Ehcache configuration upload or registration feature. This is typically found under cache management, configuration, or system administration sections.Affected if The Ehcache configuration file upload/registration feature is present and accessible in the admin interface.
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Check XML parser configuration for the configuration uploadExamine the application configuration or XML parser settings that handle the Ehcache configuration file parsing. Look for whether external entity (DTD) processing is enabled in the XML parser configuration.Affected if The XML parser processing uploaded Ehcache configuration files has DTD/external entity processing enabled (not disabled).
You are affected if MashZone NextGen version 10.7 GA or earlier is installed, you have admin access, and the Ehcache configuration upload feature with an unprotected XML parser is available.
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 dataDisable external entity processing and DTD processing in the XML parser used for parsing Ehcache configuration files. Validate uploaded XML files against a strict schema before processing.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2021-33208 — 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-2021-33208 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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