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Security Bulletin: IBM API Connect's Developer Portal is impacted by a privilege escalation vulnerability (CVE-2019-4155)

Security Bulletin


IBM API Connect has addressed the following vulnerability.

Vulnerability Details

CVEID: CVE-2019-4155
DESCRIPTION: IBM API Connect's Developer Portal is impacted by a privilege escalation vulnerability when integrated with an OpenID Connect (OIDC) user registry.
CVSS Base Score: 8.8
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
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

IBM API Connect version 2018.1-2018.4.1.3


Affected Product Addressed in VRMF APAR Remediation/First Fix
IBM API Connect 
V2018.1 - 2018.4.1.3
2018.4.1.4 fixpack LI80678
Addressed in IBM API Connect v2018.4.1.4 fixpack.
Follow this link and find the appropriate 2018.4.1.4 Developer Portal package suitable for the form factor of your installation.

Workarounds and Mitigations


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Change History

April 4, 2019: Original bulletin 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.

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSMNED","label":"IBM API Connect"},"Component":"Developer Portal","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"2018.1-2018.4.1.3","Edition":"","Line of Business":{"code":"LOB15","label":"Integration"}}]

Product Synonym

APIC;API Connect;Developer Portal;

Document Information

Modified date:
04 April 2019