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Security Bulletin: API Connect is affected by a weak two factor authentication vulnerability

Security Bulletin


IBM API Connect has addressed the following vulnerability.

API Connect user are affected by a TwoFactor (2FA/TFA) bypass while resetting password.
Using API Connect version and with Two Factor Authentication enabled on the Developer Portal it is possible to bypass TFA and get full access.

Vulnerability Details

Vulnerability Details

CVEID: CVE-2018-1638
DESCRIPTION: IBM API Connect Developer Portal does not enforce Two Factor Authentication(TFA) while resetting a user password but enforces it for all other login scenarios.
CVSS Base Score: 5.3
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N)

Affected Products and Versions

Affected API Connect Affected Versions
API Connect


Product VRMF APAR Remediation / First Fix
API Connect  LI80134

Addressed in IBM API Connect iFix for V5.0.8.3.

Developer Portal is impacted.

Follow this link and find the fix ID,,

Select Option 2 for 

Workarounds and Mitigations


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Change History

26 July 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.

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Document Information

Modified date:
26 July 2018