nCipher HSM before 2.22.6, when generating a Diffie-Hellman public/private key pair without any specified DiscreteLogGroup parameters, chooses random parameters that could allow an attacker to crack the private key in significantly less time than a brute force attack.

domesticinstall.exe for nCipher MSCAPI CSP 5.50 and 5.54 does not use Operator Card Set protected keys when the user requests them but does not generate the Operator Card Set, which results in a lower protection level than specified by the user (module protection only).

The Install Wizard for nCipher MSCAPI CSP 5.50 does not use Operator Card Set protected keys when the user requests them but does not generate the Operator Card Set, which results in a lower protection level than specified by the user (module protection only).