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Security Bulletin: API security restrictions can be bypassed in IBM API Connect (CVE-2017-1328)

Security Bulletin


APIs managed by API Connect which are protected by security restrictions could be accessed without providing valid security credentials.

Vulnerability Details

CVEID: CVE-2017-1328
IBM API Connect could allow a remote attacker to bypass security restrictions of the api, caused by improper handling of security policy. By crafting a suitable request, an attacker could exploit this vulnerability to bypass security and use the vulnerable API.
CVSS Base Score: 3.7
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

IBM API Connect V5.0.0.0 - V5.0.6.2


Product VRMF APAR Remediation/First Fix
IBM API Connect - LI79309 Apply V5.0.6.2_iFix1

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

Change History

23 June 2017: Original version 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 API Connect

Software version:,,,,,,

Operating system(s): Platform Independent

Reference #: 2003867

Modified date: 23 June 2017