SugarCRM before 6.1.3 does not properly handle reloads and direct requests for a warning page produced by a certain duplicate check, which allows remote authenticated users to discover (1) the names of customers via a ShowDuplicates action to the Accounts module, reachable through index.php; or (2) the names of contact persons via a ShowDuplicates action to the Contacts module, reachable through index.php.

Unrestricted file upload vulnerability in the Compose Email feature in the Emails module in Sugar Community Edition (aka SugarCRM) before 5.2f allows remote authenticated users to execute arbitrary code by uploading a file with only an extension in its name, then accessing the file via a direct request to a modified filename under cache/modules/Emails/, as demonstrated using .php as the entire original name.