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IBM Spectrum Scale is affected by a security vulnerability (CVE-2015-7456)

Security Bulletin


A security vulnerability has been identified in the current levels of IBM Spectrum Scale V4.1.1 thru and V4.2.0.0 that could allow a local unprivileged user, or a user with network access to the IBM Spectrum Scale cluster, to access admin passwords for object storage infrastructure. This vulnerability only affects clusters which have installed and deployed the Object protocol.

Vulnerability Details

CVEID: CVE-2015-7456
DESCRIPTION: IBM Spectrum Scale could allow a local unprivileged user, or a user with network access to the IBM Spectrum Scale cluster, to access admin passwords for the object storage infrastructure.
CVSS Base Score: 6.5
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

IBM Spectrum Scale V4.1.1.0 thru and V4.2.0.0


The following fixes will need to be applied to all nodes in the cluster regardless of whether they are configured as protocol nodes or not.

For all IBM Spectrum Scale nodes V4.1.1.0 thru, apply available at

For all IBM Spectrum Scale nodes V4.2.0.0 , contact IBM Service and request an efix for APARIV79381 and follow the instructions in the associated README.

After all nodes have either been upgraded to or had the efix applied, run the following commands:

    • mmchconfig release=LATEST

      mmlsconfig minReleaseLevel

Verify the reported value of minReleaseLevel is or higher. Note that applying the V4.2 efix will not result in minReleaseLevel being changed.

Workarounds and Mitigations


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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

*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 Spectrum Scale

Software version: 4.1.1, 4.2.0

Operating system(s): AIX, Linux, Windows

Reference #: S1005476

Modified date: 01 August 2018