With document ID c02810240 on 2011/04/28 an advisory for HP Data Protector 6.11 (6.10 and 6.00) was released, which describes a potential security problem when using Data Protector and in some circumstances a remote execution of arbitrary code may possible.
There is a solution, upgrade to Data Protector 6.2. Only Windows operating systems are affected.
The complete advisory can be read here: http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02810240&jumpid=em_alerts_us-us_May11_xbu_all_all_1242402_79779_software_critical_009_0