CVE-2021-37351 Explained : Impact and Mitigation

Nagios XI before version 5.8.5 is vulnerable to insecure permissions, allowing unauthenticated users to access protected pages through a specifically crafted HTTP request to the server.

Understanding CVE-2021-37351

This section provides insights into the CVE-2021-37351 vulnerability in Nagios XI.

What is CVE-2021-37351?

CVE-2021-37351 affects Nagios XI versions before 5.8.5, exposing a security flaw related to insecure permissions, enabling unauthorized users to reach restricted pages.

The Impact of CVE-2021-37351

The vulnerability poses a risk as it permits unauthenticated individuals to bypass security restrictions and access protected areas within Nagios XI.

Technical Details of CVE-2021-37351

Delve into the technical aspects of the CVE-2021-37351 vulnerability in this section.

Vulnerability Description

The issue exists in Nagios XI versions preceding 5.8.5, where inadequate permissions can be exploited via a manipulated HTTP request.

Affected Systems and Versions

Nagios XI versions prior to 5.8.5 are impacted by this vulnerability, potentially allowing unauthorized page access.

Exploitation Mechanism

Exploiting this vulnerability involves sending crafted HTTP requests to the Nagios XI server, granting unauthorized access to protected pages.

Mitigation and Prevention

Discover the measures to mitigate and prevent the CVE-2021-37351 vulnerability in Nagios XI.

Immediate Steps to Take

Immediately update Nagios XI to version 5.8.5 or newer to mitigate the insecure permissions issue and prevent unauthorized access.

Long-Term Security Practices

Inculcate regular security audits and user access reviews to maintain a secure environment and prevent similar vulnerabilities.

Patching and Updates

Stay proactive in applying security patches and updates to Nagios XI to address vulnerabilities and enhance system security.