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Security Bulletin: Arcfour vulnerability issue in IBM Storwize V7000 Unified

Security Bulletin


IBM Storwize V7000 Unified was shipped with Arcfour which uses weak client-to-server encryption algorithms, for which fix is available.

Vulnerability Details

CVEID: CVE-2017-1375
IBM System Storage Storwize V7000 Unified (V7000U) uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.
CVSS Base Score: 5.9
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:H/I:N/A:N)

Affected Products and Versions

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


A fix for this issue is in version of IBM Storwize V7000 Unified. Version 1.5 is end of service. Customers running on this release of IBM Storwize V7000 Unified should upgrade to v1.6.2.0 or a later version, so that the fix gets applied.

Latest Storwize V7000 Unified Software

Workarounds and Mitigations


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Change History

27 October 2017: 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.

[{"Product":{"code":"ST5Q4U","label":"IBM Storwize V7000 Unified (2073)"},"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Component":"1.6.2","Platform":[{"code":"","label":"IBM Storwize V7000"}],"Version":"1.5;1.6","Edition":"","Line of Business":{"code":"","label":""}}]

Document Information

Modified date:
17 June 2018