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Security Bulletin: A vulnerability has been identified in IBM Spectrum Scale where remote authenticated attacker can execute arbitrary command(CVE 2019-4715)

Security Bulletin


A security vulnerability has been identified in all levels of IBM Spectrum Scale that could allow remote authenticated attacker to execute arbitrary command on the system. This vulnerability only affects systems where the SMB protocol is enabled. A fix for this vulnerability is available.

Vulnerability Details

CVEID:   CVE-2019-4715
DESCRIPTION:   IBM Spectrum Scale could allow a remote authenticated attacker to execute arbitrary commands on the system. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary commands on the system.
CVSS Base score: 8.8
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
IBM Spectrum Scale -

IBM Spectrum Scale -


For IBM Spectrum Scale V5.0.0.0 through, apply V5.0.4.1 available from FixCentral at:
If you cannot apply the latest level of service, contact IBM Service for an efix:

- For IBM Spectrum Scale V5.0.0.0 through V5.0.4.0, reference APAR IJ20901

- For IBM Spectrum Scale V4.2.0.0 through V4.2.3.18, reference APAR IJ20902

To contact IBM Service, see

Workarounds and Mitigations


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IBM acknowledges and thanks Mohammed Yousif (CVE-2019-4715) for reporting these security vulnerability in our product.

*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 Location


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Document Information

Modified date:
08 January 2020