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Security Bulletin: IBM MQ Appliance is vulnerable to HTTP header injection (CVE-2022-34165)

Security Bulletin


IBM MQ Appliance has resolved an HTTP header injection vulnerability.

Vulnerability Details

CVEID:   CVE-2022-34165
DESCRIPTION:   IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 and IBM WebSphere Application Server Liberty through are vulnerable to HTTP header injection, caused by improper validation. This could allow an attacker to conduct various attacks against the vulnerable system, including cache poisoning and cross-site scripting. IBM X-Force ID: 229429.
CVSS Base score: 5.4
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM MQ Appliance9.3 LTS
IBM MQ Appliance9.2 CD
IBM MQ Appliance9.2 LTS
IBM MQ Appliance9.3 CD


This vulnerability is addressed under IT42021

IBM strongly recommends addressing the vulnerability now.

IBM MQ Appliance version 9.2 LTS
Apply interim fix firmware for IT42021, or later firmware.
IBM MQ Appliance version 9.2 CD
Upgrade to 9.2.5 CSU03, or later firmware.
IBM MQ Appliance version 9.3 LTS
Apply IBM MQ Appliance fixpack, or later firmware.
IBM MQ Appliance version 9.3 CD

Workarounds and Mitigations


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Change History

14 Sep 2022: Initial Publication
10 Feb 2023: Update of fix links

*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;9.2.5;9.2.5 CSU01;9.2.5 CSU02;","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
10 February 2023