Insufficient Session Expiration
IBM InfoSphere Information Server 11.7 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 236699.
CWE-613 - Insufficient Session Expiration
According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization."