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Security Bulletin: A Security Vulnerability affects IBM® Cloud Private (CVE-2018-1843)

Security Bulletin


IBM Cloud Private is vulnerable to a security vulnerability

Vulnerability Details

CVEID: CVE-2018-1843
DESCRIPTION: The Identity and Access Management (IAM) services do not use a secure channel, such as SSL, to exchange information only when accessed internally from within the cluster. It could be possible for an attacker with access to network traffic to sniff packets from the connection and uncover data.
CVSS Base Score: 4.1
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

IBM Cloud Private 3.1.0


For IBM Cloud Private 3.1.0 release, upgrade to version 3.1.1

Workarounds and Mitigations

IPsec may by enabled in IBM Cloud Private to secure communications between cluster nodes. Refer to the IBM Knowledge Center topic - Encrypting cluster data network traffic with IPsec

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

16 November 2018 - original document 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.

Document information

More support for: IBM Cloud Private

Software version: 3.1.0

Operating system(s): Linux

Reference #: 0739845

Modified date: 19 November 2018

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