CVE intelligence and bounded remediation

CVE-2019-0271 — Sap Advanced Business Application Programming Platform security vulnerability

Medium CVSS 6.5

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.

Severity
Medium
CVSS
6.5 (3.1)
Published
2019-03-12
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-20

Affected products

  • sap / advanced_business_application_programming_platform
  • sap / advanced_business_application_programming_server
  • sap / sap_kernel / 7.21
  • sap / sap_kernel / 7.22
  • sap / sap_kernel / 7.45
  • sap / sap_kernel / 7.49

Showing 6 representative product identities from 8 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

XML external entity and unsafe XML processing

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Check exposure

  • Inventory XML parsers used by APIs, file imports, office or image formats, identity protocols, feeds, and background jobs.
  • Determine whether document type declarations, external entities, XInclude, schemas, or network resolvers are enabled.
  • Map parser filesystem and network access and the sensitivity of documents it processes.

Remediate safely

  • Configure each parser to reject document type declarations and disable external entity, XInclude, and network resolution features.
  • Prefer a data format or hardened parser that does not support external resolution, and apply input size and depth limits.
  • Update affected XML libraries and centralize secure parser construction so callers cannot silently override it.

Authoritative sources

Complete CVE record and remediation plan

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