CVE-2020-4476 Explained : Impact and Mitigation

IBM Sterling File Gateway 2.2.0.0 through 2.2.6.5 and 6.0.0.0 through 6.0.3.2 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser.

Understanding CVE-2020-4476

IBM Sterling File Gateway is vulnerable to information disclosure, potentially enabling further attacks on the system.

What is CVE-2020-4476?

CVE-2020-4476 is a vulnerability in IBM Sterling File Gateway that could permit a remote attacker to access sensitive information through detailed error messages.

The Impact of CVE-2020-4476

CVSS Base Score: 5.3 (Medium Severity)
Attack Vector: Network
Confidentiality Impact: Low
Exploit Code Maturity: Unproven
User Interaction: None
The vulnerability could lead to the exposure of sensitive data, facilitating potential system compromise.

Technical Details of CVE-2020-4476

IBM Sterling File Gateway vulnerability details and affected systems.

Vulnerability Description

The vulnerability allows remote attackers to extract sensitive information by exploiting detailed error messages.

Affected Systems and Versions

Affected Versions: 2.2.0.0, 6.0.3.2, 2.2.6.5, 6.0.0.0
Product: Sterling File Gateway by IBM

Exploitation Mechanism

Attack Complexity: Low
Integrity Impact: None
Privileges Required: None
The vulnerability does not require user interaction and has an official fix available.

Mitigation and Prevention

Protecting systems from CVE-2020-4476 and enhancing overall security.

Immediate Steps to Take

Apply official fixes provided by IBM.
Monitor for any unusual activities or unauthorized access.
Restrict access to sensitive information.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Conduct security assessments and audits periodically.
Educate users on security best practices to mitigate risks.

Patching and Updates

Ensure all systems running IBM Sterling File Gateway are updated with the latest patches.