CVE-2020-4555 : What You Need to Know

IBM Financial Transaction Manager versions 3.0.6 and 3.1.0 are affected by a session fixation vulnerability that could allow an authenticated user to impersonate another user on the system.

Understanding CVE-2020-4555

This CVE involves a security issue in IBM Financial Transaction Manager that could lead to unauthorized user impersonation.

What is CVE-2020-4555?

IBM Financial Transaction Manager versions 3.0.6 and 3.1.0 do not properly invalidate sessions after logout, enabling authenticated users to impersonate others on the system.

The Impact of CVE-2020-4555

The vulnerability poses a medium severity risk with a CVSS base score of 6.3, potentially allowing unauthorized access and privilege escalation.

Technical Details of CVE-2020-4555

This section provides in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in IBM Financial Transaction Manager versions 3.0.6 and 3.1.0 allows authenticated users to impersonate other users due to improper session handling.

Affected Systems and Versions

Product: Financial Transaction Manager
Vendor: IBM
Affected Versions: 3.0.2, 2.1.1, 3.1.0, 3.0.5, 3.0.6, 3.0.0, 3.2.2, 3.2.3, 3.2.4

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: None

Mitigation and Prevention

Protect your systems from CVE-2020-4555 with these security measures.

Immediate Steps to Take

Apply official fixes provided by IBM.
Monitor user sessions and logouts for suspicious activities.
Educate users on secure logout practices.

Long-Term Security Practices

Regularly update and patch IBM Financial Transaction Manager.
Conduct security audits to identify and address session management vulnerabilities.

Patching and Updates

Stay informed about security bulletins and updates from IBM.
Implement patches promptly to mitigate the risk of session fixation vulnerabilities.