IBM Storwize V7000 Unified 1.3.x and 1.4.x before 1.4.2.0 does not properly handle device files that are created with the NFS protocol but accessed with a non-NFS protocol which allows remote authenticated users to obtain sensitive information modify programs or files or cause a denial of service (device crash) via a (1) CIFS (2) HTTPS (3) SCP or (4) SFTP operation.