CVE-2021-20552 : Vulnerability Insights and Analysis

IBM Sterling File Gateway versions 6.0.0.0 through 6.1.1.0 have a vulnerability that could allow a remote attacker to obtain sensitive information, leading to potential further system attacks.

Understanding CVE-2021-20657

This section provides insights into the impact, technical details, and mitigation strategies for CVE-2021-20657.

What is CVE-2021-20552?

CVE-2021-20552 pertains to the IBM Sterling File Gateway software versions 6.0.0.0 through 6.1.1.0, which is susceptible to a security issue that could expose sensitive data to malicious actors. The vulnerability might disclose detailed technical error messages, facilitating potential system compromise.

The Impact of CVE-2021-20552

The impact of this CVE is rated as medium severity with a Base Score of 4.3, affecting confidentiality but not integrity or availability. While the attack complexity is low, its repercussions may include unauthorized access to sensitive information, posing risks of further system exploitation.

Technical Details of CVE-2021-20552

This section outlines the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in IBM Sterling File Gateway version 6.0.0.0 through 6.1.1.0 allows remote attackers to extract sensitive data if a detailed technical error message is displayed, potentially enabling targeted attacks against the system.

Affected Systems and Versions

IBM's Sterling File Gateway versions 6.0.1.0 and 6.1.0.2 are impacted by this CVE, making systems with these versions vulnerable to information disclosure.

Exploitation Mechanism

The exploit involves obtaining detailed technical error messages from the browser, which could be utilized by threat actors for launching further attacks or unauthorized actions.

Mitigation and Prevention

Discover immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

It is advised to restrict access to sensitive information, apply security configurations, and monitor for suspicious activities. Consider limiting the visibility of technical error messages to prevent data exposure.

Long-Term Security Practices

Implement robust security measures, conduct regular security assessments, and educate personnel on best practices to enhance the overall security posture. Stay informed about potential vulnerabilities and apply timely patches.

Patching and Updates

Regularly update the IBM Sterling File Gateway software to the latest version available to address known security issues and protect against potential threats effectively.