What is CVE-2020-4931?

CVE-2020-4931 is a vulnerability in IBM MQ AMQP Channels that could allow an authenticated user to cause a denial of service due to an issue processing messages.

What is the severity of CVE-2020-4931?

CVE-2020-4931 has a severity rating of 6.5 (medium).

What software versions are affected by CVE-2020-4931?

IBM MQ Appliance versions 9.1 LTS, 9.2 LTS, and 9.1 CD are affected by CVE-2020-4931. IBM MQ versions 9.1.0, 9.1.0.0, and 9.2.0.0 are also affected.

How can an authenticated user exploit CVE-2020-4931?

An authenticated user can exploit CVE-2020-4931 by processing malicious messages, causing a denial of service.

Is there any reference material available for CVE-2020-4931?

Yes, you can find more information about CVE-2020-4931 at the following links: [reference 1](https://exchange.xforce.ibmcloud.com/vulnerabilities/191747) and [reference 2](https://www.ibm.com/support/pages/node/6403295).

Vulnerability/
CVE-2020-4931

medium

6.5

22/2/2021

24/2/2021

17/9/2024

CVE-2020-4931

First published: Mon Feb 22 2021(Updated: )

IBM MQ 9.1 LTS, 9.2 LTS, and 9.1 CD AMQP Channels could allow an authenticated user to cause a denial of service due to an issue processing messages. IBM X-Force ID: 191747.

Credit: psirt@us.ibm.com

Affected Software	Affected Version	How to fix
IBM MQ	=9.1.0
IBM MQ	=9.1.0.0
IBM MQ	=9.2.0.0
	<=9.1 LTS
	<=9.2 LTS
	<=9.1 CD

Remedy

https://www.ibm.com/support/pages/node/6403295

Never miss a vulnerability like this again

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

IBM-6403295

Frequently Asked Questions

What is CVE-2020-4931?
CVE-2020-4931 is a vulnerability in IBM MQ AMQP Channels that could allow an authenticated user to cause a denial of service due to an issue processing messages.
What is the severity of CVE-2020-4931?
CVE-2020-4931 has a severity rating of 6.5 (medium).
What software versions are affected by CVE-2020-4931?
IBM MQ Appliance versions 9.1 LTS, 9.2 LTS, and 9.1 CD are affected by CVE-2020-4931. IBM MQ versions 9.1.0, 9.1.0.0, and 9.2.0.0 are also affected.
How can an authenticated user exploit CVE-2020-4931?
An authenticated user can exploit CVE-2020-4931 by processing malicious messages, causing a denial of service.
Is there any reference material available for CVE-2020-4931?
Yes, you can find more information about CVE-2020-4931 at the following links: [reference 1](https://exchange.xforce.ibmcloud.com/vulnerabilities/191747) and [reference 2](https://www.ibm.com/support/pages/node/6403295).

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source/MITRE
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agent/author
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collector/ibm-support
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vendor/ibm
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canonical/ibm mq appliance
version/ibm mq appliance/9.1 lts
version/ibm mq appliance/9.2 lts
version/ibm mq appliance/9.1 cd

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