CVE-2021-39086 Explained : Impact and Mitigation

IBM Sterling File Gateway versions 6.0.0.0 to 6.0.3.5, 6.1.0.0 to 6.1.0.4, and 6.1.1.0 to 6.1.1.1 are affected by a vulnerability that could allow a remote attacker to obtain sensitive information.

Understanding CVE-2021-39086

This CVE involves potential information disclosure in IBM Sterling File Gateway versions.

What is CVE-2021-39086?

The vulnerability allows a remote attacker to access sensitive information due to detailed error messages in the browser.
The information retrieved could be exploited in further attacks against the affected system.

The Impact of CVE-2021-39086

CVSS Base Score: 4.3 (Medium)
Attack Vector: Network
Attack Complexity: Low
Confidentiality Impact: Low
Integrity Impact: None
Availability Impact: None
Privileges Required: Low
User Interaction: None
Exploit Code Maturity: Unproven
Remediation Level: Official Fix
Report Confidence: Confirmed

Technical Details of CVE-2021-39086

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in IBM Sterling File Gateway versions exposes sensitive details through error messages.

Affected Systems and Versions

IBM Sterling File Gateway 6.0.0.0 to 6.0.3.5
IBM Sterling File Gateway 6.1.0.0 to 6.1.0.4
IBM Sterling File Gateway 6.1.1.0 to 6.1.1.1

Exploitation Mechanism

Remote attackers exploit the issue by leveraging detailed error messages to extract sensitive data.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-39086.

Immediate Steps to Take

Implement official fixes provided by IBM to address the vulnerability.
Monitor systems for any unauthorized access or data extraction attempts.
Educate users on avoiding suspicious links or attachments that could lead to exploitation.

Long-Term Security Practices

Regularly update and patch IBM Sterling File Gateway to the latest secure versions.
Conduct security assessments and penetration testing to identify and address potential vulnerabilities.

Patching and Updates

Apply patches and updates released by IBM promptly to ensure the security of the system.