CVE-2021-36287 : Vulnerability Insights and Analysis

A high-severity CVE-2021-36287 affecting Dell VNX2 file versions prior to 8.1.21.303 and block versions prior to 5.33.021.5.303 has been identified. The vulnerability allows unauthenticated remote code execution, posing a significant threat to system security.

Understanding CVE-2021-36287

This section delves into the details of the CVE-2021-36287 vulnerability, including its impact, technical aspects, and mitigation strategies.

What is CVE-2021-36287?

The CVE-2021-36287 vulnerability exists in Dell VNX2 file versions earlier than 8.1.21.303 and block versions prior to 5.33.021.5.303. It enables unauthenticated users to execute commands on the affected system, leading to unauthorized access and potential system compromise.

The Impact of CVE-2021-36287

With a CVSS base score of 7.3, this vulnerability is rated as 'High' severity. The potential consequences include unauthorized remote code execution, posing a serious security risk to impacted systems. The exploit requires low attack complexity and no privileged access, highlighting the critical nature of this issue.

Technical Details of CVE-2021-36287

Explore the technical specifics of the CVE-2021-36287 vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from an unauthenticated remote code execution flaw in Dell VNX2 file versions earlier than 8.1.21.303 and block versions below 5.33.021.5.303. It stems from improper neutralization of special elements used in an OS command, allowing threat actors to execute arbitrary commands.

Affected Systems and Versions

Dell VNX2 file versions prior to 8.1.21.303 and block versions before 5.33.021.5.303 are susceptible to this vulnerability. Organizations using these versions are at risk of unauthorized code execution and potential system compromise.

Exploitation Mechanism

The vulnerability can be exploited remotely by unauthenticated users, enabling them to execute arbitrary commands on vulnerable Dell VNX2 systems. This could lead to data breaches, system manipulation, and other malicious activities.

Mitigation and Prevention

Discover the steps to mitigate the risks posed by CVE-2021-36287, including immediate actions and long-term security practices.

Immediate Steps to Take

Organizations should promptly apply security patches provided by Dell to address the vulnerability in affected VNX2 systems. Restricting network access and monitoring for suspicious activities can help reduce the risk of exploitation.

Long-Term Security Practices

Implementing robust access controls, regular security audits, and employee training on identifying phishing attacks and suspicious activities can enhance overall security posture. Regularly updating systems and monitoring for new vulnerabilities are crucial in maintaining a secure environment.

Patching and Updates

Stay informed about security updates and patches released by Dell for VNX2 systems. Timely installation of updates is essential to protect systems from known vulnerabilities and security loopholes.