CVE-2020-4271 Explained : Impact and Mitigation

IBM QRadar 7.3.0 to 7.3.3 Patch 2 allows an authenticated user to execute commands as a lower privileged user.

Understanding CVE-2020-4271

IBM QRadar versions 7.3.0 to 7.3.3 Patch 2 are vulnerable to privilege escalation attacks.

What is CVE-2020-4271?

CVE-2020-4271 is a vulnerability in IBM QRadar versions 7.3.0 to 7.3.3 Patch 2 that enables authenticated users to run specially crafted commands as lower privileged users.

The Impact of CVE-2020-4271

The vulnerability poses a medium severity risk with a CVSS base score of 6.3, allowing attackers to gain privileges within affected systems.

Technical Details of CVE-2020-4271

IBM QRadar 7.3.0 to 7.3.3 Patch 2 vulnerability details.

Vulnerability Description

CVSS Score: 6.3 (Medium)
Attack Vector: Network
Privileges Required: Low
Exploit Code Maturity: Unproven
Impact: Allows authenticated users to execute commands as lower privileged users.

Affected Systems and Versions

Products: QRadar
Vendor: IBM
Versions: 7.3.0, 7.3.3 Patch 2

Exploitation Mechanism

The vulnerability can be exploited by authenticated users sending specially crafted commands to the system, which are then executed with lower privileges.

Mitigation and Prevention

Protecting systems from CVE-2020-4271.

Immediate Steps to Take

Apply official fixes provided by IBM for affected versions.
Monitor system logs for any suspicious activities.
Restrict user permissions to minimize the impact of potential attacks.

Long-Term Security Practices

Regularly update and patch IBM QRadar to the latest versions.
Conduct security training for users to recognize and report suspicious activities.
Implement network segmentation to limit the spread of potential attacks.

Patching and Updates

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