IBM Sterling Connect:Express Adapter for Sterling B2B Integrator 5.2.0.00 through 5.2.0.12 does not disallow the session id after use which could allow an authenticated user to impersonate another user on the system.
Exploitability
AV:NAC:LPR:LUI:NScope
S:UImpact
C:LI:LA:L6.3/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LAuthentication