Multiple cross-site scripting (XSS) vulnerabilities in Symantec Backup Exec 2010 R3 before 2010 R3 SP3 and 2012 before SP2 allow remote attackers to inject arbitrary web script or HTML via vectors involving a (1) custom-reports generation page, (2) Storage Devices creation page, or (3) jobs creation page in the management console; or (4) a Backup Exec server-management page in the beutility console.

Symantec Backup Exec 2010 R3 before 2010 R3 SP3 and 2012 before SP2 uses weak permissions (Everyone: Read and Everyone: Change) for backup data files, which allows local users to obtain sensitive information or modify the outcome of a restore via direct access to these files.

The NDMP protocol implementation in Symantec Backup Exec 2010 R3 before 2010 R3 SP3 and 2012 before SP2 allows remote authenticated users to obtain sensitive host-version information via unspecified vectors.