nCipher Security Advisory No. 9 – On certain models and firmware combinations, an attacker who is able to issue commands to an HSM may be able to access secret data stored in the module, including critical application keys.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/32746/nCipher-09.txt
Source: https://packetstormsecurity.com/files/32746/nCipher-09.txt.html