Security Resilience

CVE-2016-9563

XXE in Sap Netweaver Application Server Java 7.50

CISA KEVActive ExploitationEUVD ExploitedXXE
Published
23 November 2016
Modified
21 April 2026
KEV Added
03 November 2021
CVSS Score v3.1 6.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.24 98th percentile
Risk Priority 76 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2016-9563 is a medium-severity Improper Restriction of XML External Entity Reference (CWE-611) vulnerability in Sap Netweaver Application Server Java. Its CVSS base score is 6.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Data Obfuscation (T1001); ranked in the top 2% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

The vulnerability CVE-2016-9563 is an XML External Entity (XXE) flaw, tracked as CWE-611, that affects the BC-BMT-BPM-DSK component in SAP NetWeaver AS JAVA 7.5. It is reachable via the sap.com~tc~bpem~him~uwlconn~provider~web/bpemuwlconn URI and is addressed in SAP Security Note 2296909.

Remote authenticated users can exploit the issue over the network with low attack complexity and no user interaction required, achieving high confidentiality impact while leaving integrity and availability unaffected, as reflected in its CVSS 3.1 base score of 6.5.

References including SAP note 2296909, ErpScan advisory 16-034, and SecurityFocus BID 92419 document the vulnerability and point to associated remediation guidance.

OWASP Top 10 for Web (2025)

A02:2025 Security Misconfiguration

EU & UK References

Vulnerability Data

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.

CWE(s)
CWE-611
KEV Date Added
03 November 2021

Related Threats

MITRE ATT&CK Enterprise Techniques

T1001 Data Obfuscation Command And Control
Adversaries may obfuscate command and control traffic to make it more difficult to detect.
attack.mitre.org →
T1003 OS Credential Dumping Credential Access
Adversaries may attempt to dump credentials to obtain account login and credential material, normally in the form of a hash or a clear text password.
attack.mitre.org →
T1003.001 LSASS Memory Credential Access
Adversaries may attempt to access credential material stored in the process memory of the Local Security Authority Subsystem Service (LSASS).
attack.mitre.org →
T1003.006 DCSync Credential Access
Adversaries may attempt to access credentials and other sensitive information by abusing a Windows Domain Controller's application programming interface (API)(Citation: Microsoft DRSR Dec 2017) (Citation: Microsoft GetNCCChanges) (Citati…
attack.mitre.org →
T1003.007 Proc Filesystem Credential Access
Adversaries may gather credentials from the proc filesystem or `/proc`.
attack.mitre.org →
T1005 Data from Local System Collection
Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2024-24743Same product: Sap Netweaver Application Server Java
CVE-2017-12637Same product: Sap Netweaver Application Server Javaboth on KEV
CVE-2016-2388Same product: Sap Netweaver Application Server Javaboth on KEV
CVE-2010-5326Same product: Sap Netweaver Application Server Javaboth on KEV
CVE-2016-3976Same product: Sap Netweaver Application Server Javaboth on KEV
CVE-2020-6287Same product: Sap Netweaver Application Server Javaboth on KEV
CVE-2016-2386Same product: Sap Netweaver Application Server Javaboth on KEV
CVE-2024-28164Same product: Sap Netweaver Application Server Java
CVE-2023-41369Same vendor: Sap
CVE-2026-27674Same product: Sap Netweaver Application Server Java

Affected Assets

sap
netweaver application server java
7.50

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V1.5.1
  • V15.3.2

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-611

Penetration testing includes XML external entity payloads, detecting XXE vulnerabilities and enabling their mitigation.

SI-4 System Monitoring
addresses: CWE-611

Identifies XML external entity processing via monitoring of unusual file/network access or resource usage.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

ID.RA-01 partial match
blocks

Vulnerability scanning can discover XXE flaws but does not prevent their introduction in code.

PR.PS-01 partial match
blocks

Hardened XML parser configurations directly disable external entity resolution.

PR.PS-02 partial match
blocks

Patching eliminates XXE-vulnerable parser versions but is only one aspect of software maintenance.

PR.PS-06 partial match
blocks

Secure SDLC practices include input validation and safe XML parser configuration that prevent XXE.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.5.14 Information transfer partial match
removes
A.5.15 Access control partial match
removes
A.5.16 Identity management partial match
removes
A.5.17 Authentication information partial match
removes
A.5.18 Access rights partial match
removes
A.5.32 Intellectual property rights partial match
removes

References