CVE-2018-2470
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 · uneditedIn SAP NetWeaver Application Server for ABAP, from 7.0 to 7.02, 7.30, 7.31, 7.40 and from 7.50 to 7.53, applications do not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability.
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 confidenceCross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server for ABAP versions 7.0-7.02, 7.30, 7.31, 7.40, and 7.50-7.53 where applications fail to sufficiently encode user-controlled inputs, allowing injection of malicious scripts.
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>= 7.0, <= 7.02>= 7.50, <= 7.53= 7.30= 7.31= 7.40CVSS 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
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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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Check SAP NetWeaver ABAP kernel versionLog into the SAP system and execute transaction code SM51 (SAP System Monitoring). The kernel version is displayed in the system information panel. Alternatively, use transaction code KERNEL to view kernel release and patch level details.Affected if The displayed kernel version corresponds to SAP NetWeaver ABAP releases 7.0-7.02, 7.30, 7.31, 7.40, or 7.50-7.53
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Confirm SAP NetWeaver ABAP release via system attributesExecute transaction code SM37 or use the SAP Logon menu: System -> Status. Locate the 'SAP Rel' or 'Release' field which shows the exact SAP NetWeaver ABAP release version (e.g., 7.40, 7.50, 7.51, 7.52, 7.53).Affected if The release matches any of: 7.0, 7.01, 7.02, 7.30, 7.31, 7.40, 7.50, 7.51, 7.52, or 7.53
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Identify ABAP applications handling user inputReview custom ABAP applications (reports, BSP applications, Web Dynpro ABAP components) that process user-supplied input via screen fields, URL parameters, or HTTP requests. Use transaction code SE80 (Object Navigator) to browse repository objects and search for keywords like 'PARAMETER', 'SELECT-OPTIONS', or 'CL_HTMLB' that indicate user input handling.Affected if Custom or standard ABAP applications in the affected versions accept user input without applying output encoding (e.g., using CL_ABAP_CODEPAGE or standard string concatenation without escaping HTML entities)
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Audit HTML output encoding in BSP/Web Dynpro applicationsFor BSP (Business Server Pages) and Web Dynpro ABAP applications, inspect the View controller code for usage of methods like '->HTML_ESCAPE' or similar encoding functions. Use transaction code SE80 to navigate to the BSP application or Web Dynpro component and review the layout/renderer code where user data is rendered to HTML.Affected if The application renders user-controlled data directly to HTML output without proper encoding (e.g., context.escape = false, or direct string concatenation in HTML contexts)
Your environment is affected if the SAP NetWeaver ABAP system runs version 7.0-7.02, 7.30, 7.31, 7.40, or 7.50-7.53 and contains ABAP applications that render user input to HTML without output encoding.
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 dataImplement proper input validation and output encoding for all user-controlled inputs in affected ABAP applications; apply SAP security notes/patches for the identified versions.
- Consultation4.0 h
- Implementation16.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $8,960.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2018-2470 — 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-2018-2470 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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