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Security Bulletin: Financial Transaction Manager for Check Services is affected by a potential logout session timeout (CVE-2020-4555)

Security Bulletin


Login session may not be invalidated in a timely manner on timeout.

Vulnerability Details

CVEID:   CVE-2020-4555
DESCRIPTION:   IBM Financial Transaction Manager for High Value Payments for Multi-Platform does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system.
CVSS Base score: 6.3
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Affected Product(s)Version(s)
Financial Transaction Manager for Check Services for Multi-Platform3.0.5
Financial Transaction Manager for Check Services for Multi-Platform3.0.0
Financial Transaction Manager for Check Services for Multi-Platform3.0.2


Product VRMFIssueRemediation / First Fix
FTM CHK3.0.5.0 - product change
 FTM CHK - product change
 FTM CHK3.0.0.0 - product change

Workarounds and Mitigations

HTTP session logout timeout
When the browser HTTP session for a Control Center user times out, the user is logged out. However, someone can possibly intercept and override the logout timeout. To avoid this override, configure the property in WebSphere Application Server. For more information about this property, see the WebSphere Application Server documentation.

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Change History

18 Dec 2020: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.


Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location


[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSPKQ5","label":"IBM Financial Transaction Manager"},"Component":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"3.0.0,3.0.2,3.0.5","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
18 December 2020