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Security Bulletin: Samba vulnerability issue on IBM Storwize V7000 Unified (CVE-2015-5252)

Security Bulletin


IBM Storwize V7000 Unified is shipped with Samba, for which a fix is available for security vulnerabilities.

Vulnerability Details

Samba is used in IBM Storwize V7000 Unified to enable file management and authentication services for Microsoft Windows environments.

CVEID: CVE-2015-5252

DESCRIPTION: Samba could allow a remote attacker to launch a symlink attack, caused by the improper verification of symlinks by the smbd server. An attacker could exploit this vulnerability to gain access to files located outside of the exported share path.
CVSS Base Score: 5.3
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

IBM Storwize V7000 Unified
The product is affected when running code releases to


For 1.5.* release - A fix for this issue is in version of IBM Storwize V7000 Unified.
For 1.6.* release - A fix for this issue is in version of IBM Storwize V7000 Unified.

Customers running an affected version of IBM Storwize V7000 Unified should upgrade to or, so that the fix gets applied

Latest Storwize V7000 Unified Software

Workarounds and Mitigations

Make sure all exported share paths do not share base path names with other directories on the file system.

Mitigation : None

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Change History

5 May 2016 : First draft
13 May 2016: Changes done as per comments by Legal team.
27 May 2016: Final version

*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.

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Document Information

Modified date:
17 June 2018