---
id: "CVE-2016-9563"
kind: "vulnerability"
aliases: ["CVE-2016-9563"]
title: "SAP NetWeaver: SAP NetWeaver XML External Entity (XXE) Vulnerability"
severity: "medium"
cvss: 6.5
epss: 0.24226
exploited: true
status: "open"
category: "vendor"
products: [{"name": "SAP NetWeaver", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "java", "netweaver", "sap", "vendor"]
not_affected_if: ["auth-required", "non-java-netweaver"]
published_at: "2016-11-23T02:59:06+00:00"
first_seen_at: "2026-10-23T19:11:53+00:00"
updated_at: "2026-10-23T21:57:34+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2016-9563", "first_seen_at": "2026-10-23T19:11:53+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2016-9563", "first_seen_at": "2026-10-23T19:13:44+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-9563", "first_seen_at": "2026-10-23T21:57:34+00:00"}]
---

# SAP NetWeaver: SAP NetWeaver XML External Entity (XXE) Vulnerability

SAP NetWeaver Application Server Java contains an XML External Entity (XXE) flaw in the BC-BMT-BPM-DSK component. A logged-in remote user can make the server parse crafted XML that reads local files or reaches internal network addresses.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:SAP NetWeaver affected ? fixed ?

## Fix

Apply the SAP update per vendor instructions (CISA KEV required action); the specific SAP Security Note and fixed patch level are unknown from these sources.

## Timeline

- 2026-10-23T19:11:53+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2016-9563
- 2026-10-23T19:13:44+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2016-9563
- 2026-10-23T21:57:34+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2016-9563

## From the sources

SAP NetWeaver Application Server Java Platforms contains an unspecified vulnerability in BC-BMT-BPM-DSK which allows remote, authenticated users to conduct XML External Entity (XXE) attacks.

CISA required action: Apply updates per vendor instructions.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_