CVE-2021-20485 : What You Need to Know

IBM Sterling File Gateway versions 2.2.0.0 through 6.1.0.3 are susceptible to a security vulnerability that could allow a remote attacker to access sensitive information. Here's what you need to know about CVE-2021-20485.

Understanding CVE-2021-20485

CVE-2021-20485 is a vulnerability in IBM Sterling File Gateway that could potentially lead to the exposure of sensitive information to unauthorized users.

What is CVE-2021-20485?

IBM Sterling File Gateway versions 2.2.0.0 through 6.1.0.3 may disclose valuable data to an attacker if the system returns a detailed technical error message in the browser, which could be then exploited for further malicious activities.

The Impact of CVE-2021-20485

The vulnerability has a CVSS base score of 4.3, indicating a medium severity issue. If successfully exploited, an attacker could obtain sensitive information, escalating the risk of unauthorized access and potential data breaches.

Technical Details of CVE-2021-20485

Here are the technical specifics of CVE-2021-20485:

Vulnerability Description

The flaw allows remote attackers to gather sensitive data when detailed error messages are exposed in the browser, providing insights that could aid them in launching subsequent attacks.

Affected Systems and Versions

IBM Sterling File Gateway versions 2.2.0.0 through 6.1.0.3 are affected by this vulnerability, putting these systems at risk of disclosing valuable information.

Exploitation Mechanism

The vulnerability could be exploited remotely, allowing attackers to gather critical data from the error messages displayed in the browser for potential malicious purposes.

Mitigation and Prevention

To address CVE-2021-20485, consider the following mitigation strategies:

Immediate Steps to Take

Apply official fixes provided by IBM to prevent the exposure of detailed technical error messages.
Monitor system logs and user activities for any suspicious behavior that may indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update IBM Sterling File Gateway to the latest patched versions to mitigate known vulnerabilities.
Conduct security training for users to raise awareness about the risks associated with disclosing sensitive information.

Patching and Updates

Stay informed about security bulletins and updates from IBM to ensure timely application of patches that address CVE-2021-20485.