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Security Bulletin: A Security Vulnerability affects IBM Cloud Private - CVE-2018-1938

Security Bulletin


Intra-service communications to IBM Cloud Private Identity and Access Management (IAM) pdp service uses http

Vulnerability Details

CVEID: CVE-2018-1938
DESCRIPTION: IBM Cloud Private could alllow a local user with administrator privileges to intercept highly sensitive unencrypted data.
CVSS Base Score: 4.4
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

IBM Cloud Private 3.1.1


For IBM Cloud Private 3.1.1:
Encrypt cluster data network traffic with IPsec as described in the IBM Cloud Private Knowledge Center. This will create encrypted channels between all nodes and the services running on those nodes
Upgrade to version 3.1.2 which can be obtained from IBM Passport Advantage

Workarounds and Mitigations

See Remediation/Fixes

Get Notified about Future Security Bulletins


Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

02 March 2019 - 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: 3.1.1

Operating system(s): Linux

Reference #: 0871770

Modified date: 02 March 2019