CVE-2020-4310 : What You Need to Know

IBM MQ and MQ Appliance versions 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 C are vulnerable to a denial of service attack due to an error within the Data Conversion logic.

Understanding CVE-2020-4310

IBM MQ and MQ Appliance versions are susceptible to a denial of service vulnerability.

What is CVE-2020-4310?

CVE-2020-4310 is a vulnerability in IBM MQ and MQ Appliance versions 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 C that allows for a denial of service attack due to an issue in the Data Conversion logic.

The Impact of CVE-2020-4310

The vulnerability has a CVSS base score of 5.9, indicating a medium severity issue with a high availability impact.

Technical Details of CVE-2020-4310

IBM MQ and MQ Appliance versions are affected by a denial of service vulnerability.

Vulnerability Description

The vulnerability in IBM MQ and MQ Appliance versions allows attackers to launch denial of service attacks due to an error in the Data Conversion logic.

Affected Systems and Versions

WebSphere MQ 7.1
WebSphere MQ 7.5
MQ 8.0
MQ 9.0 LTS
MQ 9.1 LTS
MQ 9.1 C

Exploitation Mechanism

The vulnerability can be exploited remotely over a network without requiring privileges.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-4310 vulnerability.

Immediate Steps to Take

Apply official fixes provided by IBM.
Monitor IBM's security bulletins for updates.

Long-Term Security Practices

Regularly update and patch IBM MQ and MQ Appliance versions.
Implement network security measures to prevent remote exploitation.

Patching and Updates

IBM has released official fixes to address the vulnerability in affected versions.