CVE-2016-9563 SAP NetWeaver XML External Entity (XXE) Vulnerability
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.
From the CISA KEV catalogue version 2026.11.06, with Cybergen analysis. Updated 6 Nov 2026.
Should You Worry?
- CISA confirmed exploitation in the wild and added it to the Known Exploited Vulnerabilities catalogue on 3 Nov 2021.
- Rated Medium severity (CVSS 6.5, scored by CISA).
- It has been in the catalogue for 1,829 days. Systems still unpatched now have almost certainly been scanned for it.
What It Is
BC-BMT-BPM-DSK in SAP NetWeaver AS JAVA 7.5 allows remote authenticated users to conduct XML External Entity (XXE) attacks via the sap.com~tc~bpem~him~uwlconn~provider~web/bpemuwlconn URI, aka SAP Security Note 2296909.
What To Do Now
- 1
Find it
Search your asset inventory and external attack surface for SAP NetWeaver. Include cloud images, appliances and anything a supplier runs for you.
Attack Surface Management - 2
- 3
Hunt for compromise
If an affected system was reachable before you patched, assume it may have been hit. Check logs, new accounts, web shells and outbound connections from the date of exposure.
Incident Response - 4
Prove it is fixed
Rescan or test the system after patching. Upgrades that fail silently and forgotten secondary instances are common.
Penetration Testing
Vendor Advisories
The Compliance Clock
General guidance, not legal advice. Your obligations depend on your sector, scope and jurisdiction.
Not Sure If You Are Exposed?
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