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Security Bulletin: Inadequate account lockout in Cloud Pak System (CVE-2019-4096)

Security Bulletin


There is inadequate account lockout in IBM Cloud Pak System formerly known as IBM PureApplication System. It applies to Cloud Pak System, Software, and Service. Cloud Pak System has addressed this vulnerability.

Vulnerability Details

CVEID: CVE-2019-4096
DESCRIPTION: IBM Pure Application System uses an inadequate account lockout setting that could allow a remote attacker to brute force account credentials.
CVSS Base Score: 7.5
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

IBM Cloud Pak System V2.3.0


For unsupported version/release/platform  IBM recommends upgrading to a fixed, supported version of the product. Contact IBM Cloud Pak System support for assistance.

For IBM Cloud Pak System V2.3.0, upgrade to V2.3.0.1.

Information on upgrading can be found here:

Workarounds and Mitigations


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Change History

September 28, 2019: Original document published

*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.


According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Internal Use Only

Psirt Product Record: Adv 14888, PR ID 129318

[{"Business Unit":{"code":"BU004","label":"Hybrid Cloud"},"Product":{"code":"SSM8NY","label":"PureApplication System"},"Component":"Security","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"}],"Version":";;;;;;;;","Edition":"All Editions"},{"Business Unit":{"code":"BU004","label":"Hybrid Cloud"},"Product":{"code":"SSFQWQ","label":"IBM Cloud Pak System"},"Component":"","Platform":[{"code":"PF016","label":"Linux"}],"Version":"2.3.0","Edition":"All Editions"}]

Document Information

Modified date:
24 October 2019