CVE-2016-4015
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 Enqueue Server in SAP NetWeaver JAVA AS 7.1 through 7.4 allows remote attackers to cause a denial of service (process crash) via a crafted request, aka SAP Security Note 2258784.
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 confidenceA denial of service vulnerability exists in the Enqueue Server component of SAP NetWeaver JAVA Application Server versions 7.1 through 7.4. Remote attackers can send a crafted request that causes the Enqueue Server process to crash, disrupting services that depend on the SAP message server and enqueue functionality.
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= 7.1= 7.2= 7.3= 7.4CVSS 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:3.0/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 SAP NetWeaver JAVA versionUse SAP transaction code SM51 to view the SAP System Version, or check the SAP installation directory for the installed version file (e.g., the SAPEXE*.SAR or SAPJVM version). Alternatively, use SAPMMC (SAP Management Console) to view the system version properties.Affected if The installed version is 7.1, 7.2, 7.3, or 7.4 (matches any of the affected versions listed in the CVE).
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Verify Enqueue Server component is runningCheck the SAP Management Console (SAPMMC) or use transaction code SM37 to view running processes. Look for the 'Enqueue Server' (enqueue replication server) process in the process list. You can also check via OS-level process monitoring for the enqueue server executable.Affected if The Enqueue Server component is active and running on the system.
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Check for crash logs or process failuresReview SAP system logs via transaction code SM37 (Extended Job Log) and the Enqueue Server log files (typically found in the SAP work directory as enserver_* logs). Look for unexpected process terminations or crash events related to the enqueue server.Affected if Recent crash events or process failures involving the Enqueue Server are found in the logs without an apparent legitimate cause.
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Confirm patch status for Security Note 2258784Use SAP transaction code SNOTE or check the SAP Support Portal for installed Security Notes. Verify whether Security Note 2258784 (which addresses this CVE) has been applied to the system.Affected if Security Note 2258784 has NOT been applied and the system is running a vulnerable NetWeaver version (7.1-7.4) with Enqueue Server enabled.
You are affected if the system runs SAP NetWeaver JAVA version 7.1, 7.2, 7.3, or 7.4, the Enqueue Server component is enabled, and Security Note 2258784 has not been applied.
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 dataApply SAP Security Note 2258784 to patch the vulnerability in the Enqueue Server. Ensure proper testing in a non-production environment before deploying to production, as SAP security patches can require system downtime.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2016-4015 — 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-2016-4015 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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