CVE-2020-4555: IBM Financial Transaction Manager

Medium severity, CVSS 5.4. EPSS: 0.8% chance of exploitation in the next 30 days.

IBM Financial Transaction Manager 3.0.6 and 3.1.0 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 183328.

Affected products

• IBM Financial Transaction Manager: version 2.1.1.0 only; version 3.0.0 only; version 3.0.2 only; version 3.0.5 only; version 3.0.6 only; version 3.1.0 only; …

Published 2020-12-21. Last modified 2026-06-17.