The RFC_SET_REG_SERVER_PROPERTY function in the SAP RFC Library 6.40 and 7.00 before 20070109 implements an option for exclusive access to an RFC server, which allows remote attackers to cause a denial of service (client lockout) via unspecified vectors. NOTE: This information is based upon a vague initial disclosure. Details will be updated after the grace period has ended.

"Multiple Users" Control Panel in Mac OS 9 allows Normal users to gain Owner privileges by removing the Users & Groups Data File, which effectively removes the Owner password and allows the Normal user to log in as the Owner account without a password.

A system does not present an appropriate legal message or warning to a user who is accessing it.

MacOS uses weak encryption for passwords that are stored in the Users & Groups Data File.

Control Panel "Password Security" option for Apple Powerbooks allows attackers with physical access to the machine to bypass the security by booting it with an emergency startup disk and using a disk editor to modify the on/off toggle or password in the aaaaaaaAPWD file, which is normally inaccessible.