CVE-2020-4466 Explained : Impact and Mitigation

IBM MQ for HPE NonStop 8.0.4 and 8.1.0 could allow a remote authenticated attacker to cause a denial of service due to an error within the Queue processing function.

Understanding CVE-2020-4466

IBM MQ for HPE NonStop 8.0.4 and 8.1.0 are affected by a vulnerability that could lead to a denial of service attack.

What is CVE-2020-4466?

CVE-2020-4466 is a vulnerability in IBM MQ for HPE NonStop versions 8.0.4 and 8.1.0 that could be exploited by a remote authenticated attacker to cause a denial of service.

The Impact of CVE-2020-4466

The vulnerability could result in a denial of service condition, impacting the availability of the affected systems.

Technical Details of CVE-2020-4466

IBM MQ for HPE NonStop 8.0.4 and 8.1.0 are susceptible to a denial of service vulnerability.

Vulnerability Description

The vulnerability in IBM MQ for HPE NonStop versions 8.0.4 and 8.1.0 allows a remote authenticated attacker to trigger a denial of service by exploiting an error in the Queue processing function.

Affected Systems and Versions

Product: MQ for HPE NonStop
Vendor: IBM
Versions Affected: 8.0.4, 8.1.0

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Availability Impact: High
Privileges Required: Low
Exploit Code Maturity: Unproven

Mitigation and Prevention

Immediate action is necessary to address the CVE-2020-4466 vulnerability.

Immediate Steps to Take

Apply the official fix provided by IBM to mitigate the vulnerability.
Monitor IBM's security bulletin for updates and patches.

Long-Term Security Practices

Regularly update and patch IBM MQ for HPE NonStop to prevent security vulnerabilities.
Implement network security measures to restrict access and prevent unauthorized exploitation.

Patching and Updates

Ensure that all systems running IBM MQ for HPE NonStop are updated with the latest patches and fixes.