CVE-2021-33581
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 · uneditedMashZone NextGen through 10.7 GA has an SSRF vulnerability that allows an attacker to interact with arbitrary TCP services, by abusing the feature to check the availability of a PPM connection. This occurs in com.idsscheer.ppmmashup.web.webservice.impl.ZPrestoAdminWebService.
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 versions up to 10.7 GA contain a Server-Side Request Forgery (SSRF) vulnerability in the ZPrestoAdminWebService component. Attackers can abuse the PPM connection availability check feature to force the server to make outbound connections to arbitrary TCP services, potentially accessing internal systems or exfiltrating data.
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 installationLocate the MashZone NextGen installation directory or check for the web application on your application server (typically under SoftwareAG or similar installation paths). Look for mashzone or ZPresto-related directories.Affected if MashZone NextGen is installed on the server.
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Determine installed versionCheck the version of MashZone NextGen by accessing the product's about page, version info in the administration console, or version files within the installation directory. Compare against 10.7 GA.Affected if The installed version is 10.7 or any version prior to 10.7.
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Verify ZPrestoAdminWebService accessibilityCheck if the ZPrestoAdminWebService endpoint is exposed. Look for URLs containing '/ZPrestoAdminWebService/' or similar patterns in your web server configuration or accessible web services.Affected if The ZPrestoAdminWebService endpoint is accessible from the network.
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Check PPM connection feature exposureIdentify if the PPM (Process Performance Manager) connection availability check functionality within ZPrestoAdminWebService is enabled and accessible. Review the web service configuration and exposed methods.Affected if The PPM connection availability check feature is enabled and exposed.
A user is affected if MashZone NextGen version 10.7 or lower is installed and the ZPrestoAdminWebService with its PPM connection check feature is accessible on the network.
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 dataUpgrade to a patched version of MashZone NextGen beyond 10.7 GA. If immediate patching is not possible, restrict network access to the affected web service endpoint and implement strict firewall rules to limit outbound connections from the application server.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2021-33581 — 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-2021-33581 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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