CVE-2020-4556 Explained : Impact and Mitigation

IBM Financial Transaction Manager for High Value Payments for Multi-Platform 3.2.0 through 3.2.10 allows web pages to be stored locally, which can be read by another user on the system.

Understanding CVE-2020-4556

IBM Financial Transaction Manager for High Value Payments for Multi-Platform 3.2.0 through 3.2.10 has a vulnerability that enables information disclosure.

What is CVE-2020-4556?

This CVE refers to a security flaw in IBM Financial Transaction Manager for High Value Payments for Multi-Platform versions 3.2.0 through 3.2.10 that allows unauthorized access to locally stored web pages.

The Impact of CVE-2020-4556

The vulnerability can lead to information exposure through browser caching, potentially allowing sensitive data to be accessed by unauthorized users.

Technical Details of CVE-2020-4556

IBM Financial Transaction Manager for High Value Payments for Multi-Platform 3.2.0 through 3.2.10 is affected by an information disclosure vulnerability.

Vulnerability Description

The issue allows web pages to be stored locally, enabling another user on the system to read this information.

Affected Systems and Versions

Product: Financial Transaction Manager
Vendor: IBM
Versions Affected: 3.2.0 through 3.2.10

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Confidentiality Impact: Low
Integrity Impact: None
Privileges Required: None
User Interaction: None
Scope: Unchanged
Vector String: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Vulnerability Scenarios: General

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2020-4556.

Immediate Steps to Take

Apply security patches provided by IBM.
Monitor and restrict access to locally stored web pages.
Educate users on secure browsing practices.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Implement access controls and encryption for sensitive data.
Conduct regular security audits and assessments.

Patching and Updates

Ensure that IBM Financial Transaction Manager for High Value Payments for Multi-Platform is updated to a version that addresses the information disclosure vulnerability.