CVE-2020-4348 : Security Advisory and Response

IBM Spectrum Scale versions 4.2.0.0 to 4.2.3.21 and 5.0.0.0 to 5.0.4.4 have a vulnerability that could allow unauthorized actions by authenticated GUI users due to missing access control.

Understanding CVE-2020-4348

IBM Spectrum Scale is affected by a function level access control issue that could be exploited by authenticated users to perform unauthorized actions.

What is CVE-2020-4348?

CVE-2020-4348 is a vulnerability in IBM Spectrum Scale versions 4.2.0.0 through 4.2.3.21 and 5.0.0.0 through 5.0.4.4 that enables authenticated GUI users to execute unauthorized actions.

The Impact of CVE-2020-4348

The vulnerability allows authenticated users to perform unauthorized actions, potentially leading to security breaches and data compromise.

Technical Details of CVE-2020-4348

IBM Spectrum Scale vulnerability details and impact.

Vulnerability Description

The vulnerability in IBM Spectrum Scale versions 4.2.0.0 to 4.2.3.21 and 5.0.0.0 to 5.0.4.4 permits authenticated GUI users to execute unauthorized actions due to missing function level access control.

Affected Systems and Versions

IBM Spectrum Scale 4.2.0.0 to 4.2.3.21
IBM Spectrum Scale 5.0.0.0 to 5.0.4.4

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Integrity Impact: High
Privileges Required: Low
User Interaction: None

Mitigation and Prevention

Protecting systems from CVE-2020-4348.

Immediate Steps to Take

Apply official fixes provided by IBM.
Monitor and restrict GUI user actions.
Review and adjust access control settings.

Long-Term Security Practices

Regularly update and patch IBM Spectrum Scale.
Conduct security training for users to prevent unauthorized actions.

Patching and Updates

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