CVE-2016-9563
Published: November 3, 2021
Official Description
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 KEV Advisory
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.
Apply updates per vendor instructions.
Risk Analysis
This high-severity vulnerability in SAP NetWeaver Application Server Java Platforms allows remote, authenticated users to conduct XML External Entity (XXE) attacks. The flaw is located in the BC-BMT-BPM-DSK component. The high EPSS score and inclusion in CISA's KEV indicate that this vulnerability has been actively exploited and presents a significant risk.
This vulnerability is actively being exploited in the wild. Exploitation requires prior authentication to the SAP NetWeaver Application Server.
Organizations using SAP NetWeaver Application Server Java Platforms should apply all available security patches. Implement strong authentication and restrict access to the affected component.
Technical Analysis
CVE-2016-9563 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2016-9563 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2016-9563 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1