CVE-2019-18323
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 SPPA-T3000 MS3000 Migration Server (All versions). An attacker with network access to the MS3000 Server could cause a Denial-of-Service condition and potentially gain remote code execution by sending specifically crafted packets to 5010/tcp. This vulnerability is independent from CVE-2019-18324, CVE-2019-18325, CVE-2019-18326, CVE-2019-18327, CVE-2019-18328, CVE-2019-18329, and CVE-2019-18330. Please note that an attacker needs to have network access to the MS3000 in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.
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 critical vulnerability exists in the SPPA-T3000 MS3000 Migration Server on TCP port 5010. Attackers with network access can send specially crafted packets to cause denial of service and potentially achieve remote code execution. This affects all versions of the MS3000 Migration Server component.
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 dataall versionsCVSS 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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/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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Identify MS3000 Migration Server installationCheck system services or running processes for MS3000 Migration Server components. On Windows, review installed programs or running services. On Siemens SPPA-T3000 systems, check the Migration Server service status.Affected if MS3000 Migration Server software is installed on the system
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Verify TCP port 5010 is listeningRun netstat -an | findstr 5010 or ss -tlnp | grep 5010 to check if port 5010/tcp is in LISTEN state on the system.Affected if Port 5010/tcp is open and listening on the system where MS3000 Migration Server is installed
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Check network exposure of port 5010Review firewall rules, network ACLs, or perform a port scan from an external system to determine if port 5010 is accessible from network segments outside the control plane.Affected if Port 5010/tcp is accessible from untrusted network segments or the internet
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Confirm SPPA-T3000 environment presenceVerify the system is part of a Siemens SPPA-T3000 deployment by checking system information, installed Siemens automation software, or documentation of the operational technology environment.Affected if The system is running Siemens SPPA-T3000 with the MS3000 Migration Server component
A system is affected if it runs the MS3000 Migration Server component with TCP port 5010 exposed to network attackers, since all versions of this component are vulnerable.
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 dataIsolate the MS3000 Migration Server on a restricted network segment and block unauthorized access to port 5010/tcp from untrusted networks, as no patch was available at the time of advisory.
- Consultation12.0 h
- Implementation16.0 h
- Testing12.0 h
- Review / QA8.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2019-18323 — 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-2019-18323 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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- Version or environment caveats, and links to real fixes
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