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Security Bulletin: IBM Event Streams is affected by Apache CXF vulnerability CVE-2019-12406

Security Bulletin


IBM Event Streams has addressed the following vulnerability

Vulnerability Details

CVEID:   CVE-2019-12406
DESCRIPTION:   Apache CXF is vulnerable to a denial of service, caused by the failure to restrict the number of message attachments present in a given message. By sending a specially-crafted message containing an overly large number of message attachments, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.3
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Affected Product(s)Version(s)
IBM Event Streams2019.2.1

IBM Event Streams in IBM Cloud Pak for Integration


IBM Event Streams in IBM Cloud Pak for Integration


IBM Event Streams


IBM Event Streams in IBM Cloud Pak for Integration



Upgrade from IBM Event Streams 2019.2.1 to IBM Event Streams 2019.4.1 by downloading IBM Event Streams 2019.4.1 from IBM Passport Advantage.

Upgrade from IBM Event Streams 2019.4.1 to the latest Fix Pack.

Upgrade IBM Event Streams 2019.2.2, IBM Event Streams 2019.2.3 and IBM Event Streams 2019.4.1 in IBM Cloud Pak for Integration by downloading IBM Event Streams 2019.4.2 in IBM Cloud Pak for Integration 2020.2.1 from IBM Passport Advantage.

Workarounds and Mitigations


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Change History

23 Mar 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.


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.

Document Location


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Document Information

Modified date:
11 June 2020