Security Bulletin: IBM API Connect V5 is potentially impacted by a weak cipher (CVE-2019-4256)
API Connect has addressed the following vulnerability.
DESCRIPTION: IBM API Connect uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/159944 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
Affected Products and Versions
|Affected IBM API Management||Affected Versions|
|IBM API Connect||126.96.36.199-188.8.131.52|
|Affected Product||Fixed in VRMF||APAR||Remediation / First Fix|
|IBM API Connect V184.108.40.206-220.127.116.11||18.104.22.168 iFix||
Addressed in IBM API Connect V22.214.171.124 iFix.
Developer Portal is impacted.
Follow this link and find the appropriate "APIConnect-Portal" package for your installation:
Workarounds and Mitigations
Get Notified about Future Security Bulletins
May 22, 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.