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[ERPSCAN-12-025] SAP Netweaver ABAP – XML External Entity

Application: SAP NetWeaver ABAP
Vendor URL:
Bugs: XXE, Unauthorized access
Risk: High
Exploits: YES
Reported: 13.05.2011
Vendor response: 17.05.2011
Patched: 13.11.2011
Date of Public Advisory: 13.03.2012
Reference: SAP Security Note 1594475
Author: Alexey Tyurin (ERPScan)

SAP Netweaver - XML Entity Expansion
It is possible, that the attacker can read an arbitrary file on a server by sending a correct XML-request with crafted DTD.

Business Risk
By exploiting this vulnerability an internal or external attacker will be able to get access to OS. With help of this access it is possible to obtain sensitive technical and business-related information stored in the vulnerable SAP system.