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Security Bulletin: IBM Connections Security Refresh (CVE-2016-2953)

Security Bulletin


IBM Connections contains possible sensitive data leakage vulnerability, see details below for remediation information.

Vulnerability Details

IBM Connections 5.0 and earlier contains possible information leakage vulnerability, see fix details and apply as detailed in the Remediation section

CVEID: CVE-2016-2953
DESCRIPTION: IBM Connections could allow a remote attacker to obtain sensitive information due to SSL not being used used or enforced. An attacker could exploit this vulnerability to obtain clear-text data using man in the middle techniques.
CVSS Base Score: 3.7
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

The following versions of IBM Connections are impacted:

IBM Connections 5.0
IBM Connections 4.5
IBM Connections 4.0


Apply the appropriate fix pack or APAR to remediate these issues as per this table. Note, if possible, it is always recommended to upgrade to the most recent release of IBM Connections.

Product Version Remediation
IBM Connections 5.0 Upgrade to IBM Connections 5.0 CR4
IBM Connections 4.5 Upgrade to IBM Connections 4.5 CR5 , apply prereqs and then apply Interim Fix for APARs LO90268, LO90295
IBM Connections 4.0 Upgrade to IBM Connections 4.0 CR4 , apply prereqs and then apply Interim Fix for APARs LO90268, LO90295

Workarounds and Mitigations


Get Notified about Future Security Bulletins


Complete CVSS v3 Guide
On-line Calculator v3

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

30 September 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: IBM Connections

Software version: 4.0, 4.5, 5.0

Operating system(s): AIX, Linux, Windows

Reference #: 1990888

Modified date: 17 November 2016