CVE-2016-1929
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 XS engine in SAP HANA allows remote attackers to spoof log entries in trace files and consequently cause a denial of service (disk consumption and process crash) via a crafted HTTP request, related to an unspecified debug function, aka SAP Security Note 2241978.
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 confidenceThe XS engine in SAP HANA contains a vulnerability where crafted HTTP requests can inject spoofed log entries into trace files via an unspecified debug function. This causes denial of service through disk consumption (log file filling) and potential process crashes.
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
- Changed
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/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 SAP HANA installationRun 'HDB version' or check for HANA installation directories (typically /usr/sap/hdb or /hana/shared)Affected if SAP HANA is installed and running
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Verify XS engine is enabledCheck if XS advanced (XSA) or classic XS engine is running - query the HANA processes: 'ps -ef | grep xs' or check XSA service status via 'xs apps' command if XSA is deployedAffected if XS engine process is running
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Check for security patch 2241978Query SAP HANA revision history via 'HDB version' or check SAP Support Portal for installed security notes - look for note 2241978 in the applied patchesAffected if Security Note 2241978 has not been applied (all versions remain vulnerable)
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Inspect XS engine trace files for suspicious entriesExamine XS engine trace files (typically in /usr/sap/.../.../trace/ or XSA trace directory) for unusual HTTP request patterns that may indicate log injection attemptsAffected if Log files contain unexpected or malformed entries from HTTP requests, or trace files show unusual growth
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Review network access to XS engineCheck XS engine URL accessibility and network configuration - verify if XS endpoints are exposed to untrusted networks via 'hostname:8000' (classic) or XSA routesAffected if XS engine is accessible from untrusted/unauthorized network segments
If SAP HANA with XS engine is present and Security Note 2241978 has not been applied, the environment is vulnerable to log injection DoS attacks via crafted HTTP requests.
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 2241978 to patch the XS engine vulnerability. Until patch deployment, restrict network access to the XS engine from untrusted sources.
- Consultation3.0 h
- Implementation6.0 h
- Testing6.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,704.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2016-1929 — 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-2016-1929 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
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