Iomega NAS A300U uses cleartext LANMAN authentication when mounting CIFS/SMB drives, which allows remote attackers to perform a man-in-the-middle attack.

The Network Attached Storage (NAS) Administration Web Page for Iomega NAS A300U transmits passwords in cleartext, which allows remote attackers to sniff the administrative password.

Iomega Network Attached Storage (NAS) A300U, and possibly other models, does not allow the FTP service to be disabled, which allows local users to access home directories via FTP even when access to all shared directories have been disabled.

The Iomega Home Media Network Hard Drive with EMC Lifeline firmware before 2.104, Home Media Network Hard Drive Cloud Edition with EMC Lifeline firmware before 3.2.3.15290, iConnect with EMC Lifeline firmware before 2.5.26.18966, and StorCenter with EMC Lifeline firmware before 2.0.18.23122, 2.1.x before 2.1.42.18967, and 3.x before 3.2.3.15290 allow remote authenticated users to read or modify data on arbitrary remote shares via unspecified vectors.

Buffer overflow in jaZip Zip/Jaz drive manager allows local users to gain root privileges via a long DISPLAY environmental variable.

cgi-bin/makecgi-pro in Iomega StorCenter Pro generates predictable session IDs, which allows remote attackers to hijack active sessions and gain privileges via brute force guessing attacks on the sessionid parameter.

ZIP drive for Iomega ZIP-100 disks allows attackers with physical access to the drive to bypass password protection by inserting a known disk with a known password, waiting for the ZIP drive to power down, manually replacing the known disk with the target disk, and using the known password to access the target disk.