CVE-2017-15293
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 · uneditedXpress Server in SAP POS does not require authentication for file read and erase operations, daemon shutdown, terminal read operations, or certain attacks on credentials. This is SAP Security Note 2520064.
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 confidenceThe Xpress Server component in SAP POS contains an authentication bypass vulnerability (CVE-2017-15292/CVE-2017-15293) that allows unauthenticated attackers to perform file read and erase operations, shut down the daemon, read terminal operations, and conduct certain credential attacks. This is a critical flaw in the POS system's server component that completely bypasses authentication controls.
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= 1020= 1030CVSS 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:3.0/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 if SAP POS Xpress Server is installedCheck for the presence of Xpress Server service or executable. Common locations include: review running processes for 'XpressServer' or 'XpressSrv', check SAP installation directories for Xpress Server binaries, or query Windows services on Windows-based POS systems.Affected if The Xpress Server component is found running on the system.
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Determine the Xpress Server versionLocate the Xpress Server executable or DLL and query its version information. On Windows, right-click the executable and select Properties > Details, or use 'wmic product get name,version' if installed as a Windows component. Compare the version number against the affected versions 1020 and 1030.Affected if The installed version is exactly 1020 or 1030.
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Check if Xpress Server is listening on network portsUse netstat -an or ss -tuln to list listening ports. Xpress Server typically listens on specific ports for client connections. Identify any ports associated with the Xpress Server process.Affected if Xpress Server is bound to a network-accessible IP address (0.0.0.0 or external interface) rather than localhost only.
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Review system logs for daemon shutdown eventsCheck system event logs, application logs, or Xpress Server-specific logs for unexpected shutdown events, especially those occurring without administrative action or from unauthenticated sources.Affected if Unexpected or unauthorized daemon shutdown events are present in logs.
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Audit file system for unauthorized access to POS data directoriesReview file access logs or audit trails on directories used by Xpress Server for storing transaction data, configurations, or customer information. Look for read or erase operations from unexpected sources or times.Affected if File read or erase operations are present that were not initiated by authenticated administrators.
You are affected if SAP POS Xpress Server version 1020 or 1030 is installed and accessible, as these versions contain the authentication bypass vulnerability that allows unauthenticated remote attackers to manipulate files, shut down the daemon, or access terminal operations.
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.
dbcve · scopedApply SAP Security Note 2520064 immediately to patch the authentication bypass in Xpress Server. Until patched, restrict network access to POS systems and monitor for unauthorized file access or daemon shutdown events.
- Obtain and apply SAP Security Note 2520064 from the SAP Support Portal to address the authentication bypass vulnerability in Xpress Server
- Verify that the patch has been successfully applied by reviewing system documentation or contacting SAP support
- After patching, verify that authentication is now required for file read/erase operations, daemon shutdown, terminal read operations, and credential attacks
- If immediate patching is not possible, restrict network access to the SAP POS Xpress Server to trusted IP addresses only using firewall rules or network segmentation
- Review SAP security best practices for POS systems and implement additional monitoring on the affected server
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-15293 — 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-2017-15293 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
- No spam, self-promotion, credentials, or personal data