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Security Bulletin: IBM MQ Appliance affected by a cross-site request forgery vulnerability (CVE-2020-4938)

Security Bulletin


IBM MQ Appliance has resolved a cross-site request forgery vulnerability.

Vulnerability Details

CVEID:   CVE-2020-4938
DESCRIPTION:   IBM MQ Appliance is vulnerable to cross-site request forgery which could allow an attacker to execute malicious and unauthorized actions transmitted from a user that the website trusts.
CVSS Base score: 4.3
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)

Affected Products and Versions

Affected Product(s) Version(s)
IBM MQ Appliance 9.1 LTS
IBM MQ Appliance 9.2 LTS
IBM MQ Appliance 9.1 CD
IBM MQ Appliance 9.2 CD


This vulnerability is addressed under APAR IT35704.
IBM MQ Appliance version 9.1 LTS
IBM MQ Appliance version 9.1 CD
Upgrade to 9.2.2 CD interim fix firmware for IT35704 , or later firmware.
IBM MQ Appliance version 9.2 LTS
IBM MQ Appliance version 9.2 CD

Workarounds and Mitigations


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Change History

24 Jun 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


[{"Type":"MASTER","Line of Business":{"code":"LOB36","label":"IBM Automation"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SS5K6E","label":"IBM MQ Appliance"},"Version":"All Versions"}]

Document Information

Modified date:
09 July 2021