CVE-2021-20372 : Vulnerability Insights and Analysis

IBM Sterling File Gateway versions 2.2.0.0 through 6.1.1.0 has been identified with a vulnerability that could allow a remote authenticated user to cause a denial of another user's service due to insufficient permission checking.

Understanding CVE-2021-20372

This section will provide insights into the impact, technical details, and mitigation strategies for the CVE.

What is CVE-2021-20372?

The vulnerability in IBM Sterling File Gateway versions 2.2.0.0 through 6.1.1.0 enables a remote authenticated user to disrupt service for another user due to inadequate permission validation.

The Impact of CVE-2021-20372

The impact of this CVE is rated as medium severity with a CVSS base score of 4.3. With low attack complexity, an attacker can exploit this vulnerability over a network without requiring any special user interaction.

Technical Details of CVE-2021-20372

Let's delve into the specifics of this security issue in IBM Sterling File Gateway.

Vulnerability Description

The vulnerability allows a remote authenticated user to perform a denial of service attack by exploiting insufficient permission verification.

Affected Systems and Versions

IBM Sterling File Gateway versions 2.2.0.0 through 6.1.1.0 are affected by this security flaw.

Exploitation Mechanism

The attacker needs to be a remote authenticated user to exploit this vulnerability, causing a denial of service for another user.

Mitigation and Prevention

Discover the necessary steps to mitigate the risks associated with CVE-2021-20372.

Immediate Steps to Take

Users are recommended to apply the official fix provided by IBM to address this vulnerability promptly.

Long-Term Security Practices

Implement robust access controls, regular security assessments, and user permissions reviews to enhance security posture.

Patching and Updates

Ensure the IBM Sterling File Gateway is regularly updated with the latest patches and security fixes to prevent exploitation of known vulnerabilities.