Akopia Interchange 4.5.3 through 4.6.3 installs demo stores with a default group account :backup with no password, which allows a remote at…

Akopia Interchange 4.5.3 through 4.6.3 installs demo stores with a default group account :backup with no password, which allows a remote attacker to gain administrative access via the demo stores (1) barry, (2) basic, or (3) construct.