CVE-2019-18318
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 Application Server (All versions < Service Pack R8.2 SP2). An attacker with network access to the Application Server can cause a Denial-of-Service condition by sending specifically crafted objects via RMI. This vulnerability is independent from CVE-2019-18317 and CVE-2019-18319. Please note that an attacker needs to have network access to the Application Server 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 · high confidenceThis is a Denial-of-Service vulnerability in SPPA-T3000 Application Server affecting all versions prior to Service Pack R8.2 SP2. An attacker with network access can exploit the vulnerability by sending specially crafted objects via RMI (Remote Method Invocation), causing the application server to become unavailable.
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< r8.2= r8.2CVSS 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
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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 SPPA-T3000 Application Server versionLocate the installed version of the SPPA-T3000 Application Server in the system documentation, control panel, or by checking the product's About/Version information panel. This is typically accessible through the Siemens management interface or installation logs.Affected if The installed version is any release prior to R8.2 SP2, or exactly version R8.2 (all editions).
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Confirm RMI (Remote Method Invocation) is enabledCheck the SPPA-T3000 Application Server configuration settings to determine whether RMI communication is enabled. RMI is typically configured in the server's network or security settings panel.Affected if RMI is enabled and accessible over the network, as this is the required attack vector for the vulnerability.
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Verify network exposure of the RMI serviceReview network configuration and firewall rules to determine if the RMI service port (default RMI registry port 1099 or custom configured port) is exposed to untrusted network segments.Affected if The RMI port is reachable from network segments that contain untrusted or external systems, indicating potential exposure to remote attackers.
You are affected if the installed SPPA-T3000 Application Server version is prior to R8.2 SP2 (or is exactly R8.2) AND RMI is enabled and network-accessible to untrusted hosts.
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 SPPA-T3000 Application Server to Service Pack R8.2 SP2 or later. Additionally, implement network segmentation and RMI access controls to limit exposure to only trusted systems.
- Consultation4.0 h
- Implementation8.0 h
- Testing8.0 h
- Review / QA4.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2019-18318 — 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-2019-18318 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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