IBM Support

Security Bulletin: IBM MQ Appliance affected by a password hash that provides insufficient protection (CVE-2022-22321)

Security Bulletin


IBM MQ Appliance has remedied a password hash that provides insufficient protection.

Vulnerability Details

CVEID:   CVE-2022-22321
DESCRIPTION:   IBM MQ Appliance local messaging users stored with a password hash that provides insufficient protection.
CVSS Base score: 5.1
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

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


This vulnerability is addressed under APAR IT39829.
IBM strongly recommends addressing the vulnerability now.
IBM MQ Appliance version 9.2 LTS
Apply fixpack, or later firmware.
IBM MQ Appliance version 9.2 CD
Upgrade to 9.2.5 CD, or later firmware.
Additional steps
Passwords for local messaging users set prior to installation of the indicated firmware versions should be updated.
See IBM Documentation for the IBM MQ Appliance for further details on updating local messaging user passwords.

Workarounds and Mitigations

There are two types of user on the IBM MQ Appliance: appliance users, and messaging users. Appliance users are users that can administer the appliance and IBM MQ resources. Messaging users are users that can perform operations on messaging resources.

Only internally stored messaging users are affected.

Get Notified about Future Security Bulletins



Change History

07 Feb 2022: 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.


Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location


[{"Business Unit":{"code":"BU053","label":"Cloud \u0026 Data Platform"},"Product":{"code":"SS5K6E","label":"IBM MQ Appliance"},"Component":"","Platform":[{"code":"PF004","label":"Appliance"}],"Version":";;;;;9.2.1;9.2.2;9.2.3;9.2.4","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
28 February 2022