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Security Bulletin: IBM API Connect's Developer Portal(V5) is impacted by a critical local file Inclusion vulnerability (CVE-2019-4203)

Security Bulletin


IBM API Connect has addressed the following vulnerability.

Vulnerability Details

CVEID: CVE-2019-4203
DESCRIPTION: IBM API Connect Developer Portal can be exploited by app developers to download arbitrary files from the host OS and potentially carry out SSRF attacks.
CVSS Base Score: 8.9
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:H)

Affected Products and Versions

IBM API Connect version V5.0.0.0-


Affected Product Addressed in VRMF APAR Remediation/First Fix
IBM API Connect 
V5.0.0.0- iFix 


Addressed in IBM API Connect iFix.

Follow this link and find the portal package suitable for the form factor of your installation.

Workarounds and Mitigations


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


William Soderberg (F-Secure)

Change History

April 10, 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.

Product Alias/Synonym

API Connect
Developer Portal

Document information

More support for: IBM API Connect

Component: Developer Portal

Software version:

Operating system(s): Platform Independent

Reference #: 0880569

Modified date: 10 April 2019