What is CVE-2020-4375?

CVE-2020-4375 is a vulnerability in IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS that could allow an attacker to cause a denial of service due to a memory leak caused by an error creating a dynamic queue.

What is the severity of CVE-2020-4375?

CVE-2020-4375 has a severity rating of 7.5 (high).

Which products are affected by CVE-2020-4375?

IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS are affected by CVE-2020-4375.

How can an attacker exploit CVE-2020-4375?

An attacker can exploit CVE-2020-4375 by causing a denial of service through a memory leak resulting from an error creating a dynamic queue.

Is there a fix available for CVE-2020-4375?

Yes, IBM has released fixes for CVE-2020-4375. Please refer to the IBM support page for more information.

Vulnerability/
CVE-2020-4375

high

7.5

CWE

401

23/7/2020

27/7/2020

4/8/2024

CVE-2020-4375

First published: Thu Jul 23 2020(Updated: )

IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS could allow an attacker to cause a denial of service due to a memory leak caused by an error creating a dynamic queue. IBM X-Force ID: 179080.

Credit: psirt@us.ibm.com

Affected Software	Affected Version	How to fix
IBM MQ Appliance	>=8.0<8.0.0.15
IBM MQ Appliance	>=9.1.0.0<9.1.0.6
IBM MQ Appliance	>=9.1.0.0<9.2.0.0
	<=8.0
	<=9.1 LTS
	<=9.1 CD

Remedy

https://www.ibm.com/support/pages/node/6252785

Never miss a vulnerability like this again

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

IBM-6252785

Frequently Asked Questions

What is CVE-2020-4375?
CVE-2020-4375 is a vulnerability in IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS that could allow an attacker to cause a denial of service due to a memory leak caused by an error creating a dynamic queue.
What is the severity of CVE-2020-4375?
CVE-2020-4375 has a severity rating of 7.5 (high).
Which products are affected by CVE-2020-4375?
IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS are affected by CVE-2020-4375.
How can an attacker exploit CVE-2020-4375?
An attacker can exploit CVE-2020-4375 by causing a denial of service through a memory leak resulting from an error creating a dynamic queue.
Is there a fix available for CVE-2020-4375?
Yes, IBM has released fixes for CVE-2020-4375. Please refer to the IBM support page for more information.

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collector/ibm-support
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canonical/ibm mq appliance
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version/ibm mq appliance/9.1 lts
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