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Security Bulletin: IBM Connections Security Refresh for Apache Commons Collections CVE-ID: CVE-2015-7450

Security Bulletin


This bulletin relates to security vulnerabilities that have been reported against Apache Commons Collections, reference CVE-2015-7450.

Vulnerability Details

A security vulnerability has been reported against Apache Commons Collections. IBM Connections uses a version of Apache Commons Collections that is vulnerable to this issue. The APAR LO87189 addresses this vulnerability and can be applied through the fixes detailed in the Remediation section.

CVE-ID: CVE-2015-7450
Description: Apache Commons Collections could allow a remote attacker to execute arbitrary code on the system, caused by the deserialization of data with Java InvokerTransformer class. By sending specially crafted data, an attacker could exploit this vulnerability to execute arbitrary Java code on the system.
CVSS Base Score: 9.8
CVSS Temporal Score: for current score
CVSS Environmental Score*: Undefined

Affected Products and Versions

The following versions of IBM Connections are impacted:

IBM Connections 5.0
IBM Connections 4.5
IBM Connections 4.0
IBM Connections and earlier releases


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 CR3 and apply Interim Fix APAR LO87189
IBM Connections 4.5 Upgrade to IBM Connections 4.5 CR5 and apply Interim Fix APAR LO87189
IBM Connections 4.0 Upgrade to IBM Connections 4.0 CR4 and apply Interim Fix APAR LO87189
IBM Connections Upgrade to IBM Connections CR3 and apply Interim Fix APAR LO87189
IBM Connections 3.0.1 and earlier releases Either upgrade to IBM Connections 5.0 CR3 and apply Interim Fix APAR LO87189 or upgrade to IBM Connections CR3 , apply prerequisites and apply APAR LO87189

Workarounds and Mitigations


Get Notified about Future Security Bulletins


Related information

*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 #: 1972279

Modified date: 07 December 2015