IBM WebSphere eXtreme Scale 7.1.0 before 7.1.0.3, 7.1.1 before 7.1.1.1, 8.5 before 8.5.0.3, and 8.6 before 8.6.0.8 does not properly encrypt data, which makes it easier for remote attackers to obtain sensitive information by sniffing the network.