The process function in data/class/pages/admin/customer/LC_Page_Admin_Customer_SearchCustomer.php in EC-CUBE Ver2 2.4.0 RC1 through 2.4.1, and Community Edition r18068 through r18428, allows remote attackers to obtain sensitive information (customer data) via unknown vectors related to sessions.
jvn.jp/en/jp/JVN79762947/index.html
jvndb.jvn.jp/ja/contents/2009/JVNDB-2009-000078.html
osvdb.org/60685
secunia.com/advisories/37603
www.ec-cube.net/info/091127/
www.ipa.go.jp/security/vuln/documents/2009/200912_ec-cube.html
www.vupen.com/english/advisories/2009/3421
exchange.xforce.ibmcloud.com/vulnerabilities/54573