The "Lost Password" reset functionality in ownCloud before 4.0.9 and 4.5.0 does not properly check the security token, which allows remote attackers to change an accounts password via unspecified vectors related to a "Remote Timing Attack."
Incomplete blacklist vulnerability in lib/migrate.php in ownCloud before 4.5.2 allows remote authenticated users to execute arbitrary PHP code by uploading a crafted mount.php file in a ZIP file.
Incomplete blacklist vulnerability in lib/filesystem.php in ownCloud before 4.0.9 and 4.5.x before 4.5.2 allows remote authenticated users to execute arbitrary PHP code by uploading a file with a special crafted name.