CVE-2021-28271 Explained : Impact and Mitigation

Soyal Technologies SOYAL 701Server 9.0.1 has been identified with an elevation of privileges vulnerability that allows authenticated users to modify an executable file with a binary choice due to improper permissions. This CVE was published on April 27, 2021.

Understanding CVE-2021-28271

This section will provide insights into the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2021-28271?

The CVE-2021-28271 involves an elevation of privileges vulnerability in Soyal Technologies SOYAL 701Server 9.0.1. The flaw enables authenticated users to change an executable file leveraging improper permissions.

The Impact of CVE-2021-28271

The vulnerability allows attackers to modify the executable file with a binary option. Attackers with authenticated access can exploit this flaw, posing a risk to the integrity and security of the affected systems.

Technical Details of CVE-2021-28271

In this section, we will delve into the specific technical aspects of the vulnerability.

Vulnerability Description

Soyal Technologies SOYAL 701Server 9.0.1 suffers from an elevation of privileges vulnerability due to improper permissions assigned with the 'F' flag for 'Everyone' and 'Authenticated Users' group. This vulnerability facilitates unauthorized modification of executable files.

Affected Systems and Versions

The affected product version is SOYAL 701Server 9.0.1. All systems running this specific version are vulnerable to exploitation.

Exploitation Mechanism

The exploitation of CVE-2021-28271 involves an authenticated user leveraging improper permissions to change the executable file with a binary choice, potentially leading to unauthorized system modifications.

Mitigation and Prevention

This section entails the necessary steps to mitigate the risk posed by CVE-2021-28271.

Immediate Steps to Take

It is recommended to restrict access to vulnerable systems and closely monitor any file modifications. Implementing strong access controls and regular security audits can help prevent unauthorized changes.

Long-Term Security Practices

Establishing a proactive security posture, including regular security assessments, employee training, and prompt security patching, can enhance overall system security and resilience.

Patching and Updates

Vendors may release security patches or updates to address the vulnerability. It is crucial to apply these patches promptly to safeguard systems from potential exploitation.