IBM Tivoli Security Directory Server 6.0 before iFix 75, 6.1 before iFix 68, 6.2 before iFix 44, 6.3 before iFix 37, 6.3.1 before iFix 11, and 6.4 before iFix 2 does not prevent caching of documents retrieved in SSL sessions, which allows physically proximate attackers to obtain sensitive information by leveraging an unattended workstation.