CVE-2021-37471 Explained : Impact and Mitigation

Cradlepoint IBR900-600 devices running versions less than 7.21.10 are vulnerable to a restricted shell escape sequence that allows attackers to deny availability to the device's NetCloud Manager console, local console, and SSH command-line.

Understanding CVE-2021-37471

This section will provide insights into the impact and technical details of CVE-2021-37471.

What is CVE-2021-37471?

CVE-2021-37471 affects Cradlepoint IBR900-600 devices with versions below 7.21.10, enabling an attacker to disrupt access to critical management interfaces.

The Impact of CVE-2021-37471

The vulnerability can lead to a denial of service scenario, hampering the device's remote and local management functionality, posing a significant risk to network security.

Technical Details of CVE-2021-37471

Let's delve into the specifics of the vulnerability and its implications.

Vulnerability Description

The flaw in Cradlepoint IBR900-600 devices allows malicious actors to trigger a shell escape sequence, disrupting access to essential management consoles.

Affected Systems and Versions

Cradlepoint IBR900-600 devices running firmware versions older than 7.21.10 are susceptible to this vulnerability.

Exploitation Mechanism

By leveraging the restricted shell escape sequence, attackers can deny access to NetCloud Manager console, local console, and SSH command-line interfaces.

Mitigation and Prevention

Discover the necessary steps to mitigate the risks associated with CVE-2021-37471.

Immediate Steps to Take

Users should update Cradlepoint IBR900-600 devices to version 7.21.10 or newer to eliminate the vulnerability and enhance system security.

Long-Term Security Practices

Implement network segmentation, access controls, and regular security assessments to fortify the overall security posture and prevent future exploits.

Patching and Updates

Stay informed about security patches and updates released by Cradlepoint to safeguard devices against known vulnerabilities.