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Security Bulletin: IBM WebSphere MQ Advanced Message Security cleartext data written outside protected payload (CVE-2015-1957)

Security Bulletin


A JMS client application putting messages to a queue protected using an IBM WebSphere MQ Advanced Message Security policy could, under certain conditions, duplicate a cleartext copy of message data outside of the protected payload.

Vulnerability Details

CVEID: CVE-2015-1957
IBM WebSphere MQ could allow some encrypted data to pass through the server in cleartext. This could allow a remote authenticated attacker to obtain sensitive data via man in the middle techniques.
CVSS Base Score: 3.5
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:S/C:P/I:N/A:N)

Affected Products and Versions

IBM WebSphere MQ Advanced Message Security is affected in the following maintenance levels;

- IBM WebSphere MQ and earlier

- IBM WebSphere MQ and earlier


IBM WebSphere MQ 8.0

- Apply fixpack or later maintenance

IBM WebSphere MQ 7.5

- Apply fixpack or later maintenance

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Related information

Change History

11 March 2016: Original version 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.

Document information

More support for: WebSphere MQ
WMQ Advanced Message Security

Software version: 7.5, 8.0

Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows

Software edition: All Editions

Reference #: 1960506

Modified date: 11 March 2016

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