CVE-2020-4747 : Vulnerability Insights and Analysis

IBM Connect:Direct for UNIX versions 6.1.0, 6.0.0, 4.3.0, and 4.2.0 are vulnerable to improper authentication methods, allowing unauthorized users to obtain authenticated CLI sessions.

Understanding CVE-2020-4747

IBM Connect:Direct for UNIX versions 6.1.0, 6.0.0, 4.3.0, and 4.2.0 are affected by a vulnerability that could lead to unauthorized access.

What is CVE-2020-4747?

This CVE refers to a security flaw in IBM Connect:Direct for UNIX versions 6.1.0, 6.0.0, 4.3.0, and 4.2.0 that enables both local and remote attackers to gain authenticated CLI sessions due to inadequate authentication mechanisms.

The Impact of CVE-2020-4747

The vulnerability poses a high risk with a CVSS base score of 7.4, indicating a significant impact on confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2020-4747

IBM Connect:Direct for UNIX Vulnerability

Vulnerability Description

CVE ID: CVE-2020-4747
CVSS Base Score: 7.4 (High)
Attack Vector: Network
Attack Complexity: High
Privileges Required: None
Impact: High confidentiality and integrity

Affected Systems and Versions

Product: Sterling Connect:Direct for UNIX
Vendor: IBM
Vulnerable Versions: 4.2.0, 4.3.0, 6.0.0, 6.1.0

Exploitation Mechanism

The vulnerability allows unauthorized users to gain authenticated CLI sessions through improper authentication methods.

Mitigation and Prevention

Protecting Against CVE-2020-4747

Immediate Steps to Take

Apply official fixes provided by IBM
Monitor for any unauthorized access attempts
Restrict network access to vulnerable systems

Long-Term Security Practices

Implement multi-factor authentication
Regularly update and patch software
Conduct security training for staff members

Patching and Updates

IBM has released official fixes to address the vulnerability
Regularly check for security updates and apply them promptly