IBM Support

Security Bulletin: IBM API Connect V5 is vulnerable to sensitive information leak (CVE-2020-4899)

Security Bulletin


IBM API Connect has addressed the following vulnerability.

Vulnerability Details

CVEID:   CVE-2020-4899
DESCRIPTION:   IBM API Connect could potentially leak sensitive information or allow for data corruption due to plain text transmission of sensitive information across the network.
CVSS Base score: 7.4
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
API ConnectIBM API Connect V5.0.0.0-



Affected Product

Addressed in VRMF
Remediation / First Fix

IBM API Connect

V5.0.0.0- iFix published on or after December 18, 2020

LI81889Addressed in IBM API Connect V5.0.8.10 iFix

published on or after December 18, 2020

Management server is impacted.

Follow this link and find the "Management" package:


Workarounds and Mitigations


Get Notified about Future Security Bulletins



Change History

04 January 2021: Initial Publication

*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 Location


[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSMNED","label":"IBM API Connect"},"Component":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"V5.0.0.0-","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
04 January 2021