CVE-2022-39337 : Vulnerability Insights and Analysis

This article discusses CVE-2022-39337, a vulnerability in the Hertzbeat open-source monitoring system.

Understanding CVE-2022-39337

This CVE involves a permission bypass issue due to incorrect configuration in github.com/dromara/hertzbeat.

What is CVE-2022-39337?

Hertzbeat, a real-time monitoring system, versions 1.20 and prior are affected by a vulnerability that allows unauthorized access to system authentication and interfaces.

The Impact of CVE-2022-39337

The vulnerability allows attackers to bypass system authentication, potentially leading to unauthorized access and misuse of the monitoring system.

Technical Details of CVE-2022-39337

The vulnerability is categorized under CWE-284 (Improper Access Control) and CWE-863 (Incorrect Authorization). The CVSSv3.1 base score for this vulnerability is 7.5, indicating a high severity issue.

Vulnerability Description

Hertzbeat versions 1.20 and earlier allow for a permission bypass vulnerability, enabling unauthorized access to system authentication and interfaces.

Affected Systems and Versions

The affected product is the 'hertzbeat' monitoring system, specifically versions <= 1.2.0.

Exploitation Mechanism

Attackers can exploit this vulnerability to bypass system authentication and gain unauthorized access to invoke interfaces.

Mitigation and Prevention

To address CVE-2022-39337, immediate steps and long-term security practices are recommended.

Immediate Steps to Take

Users are advised to update to version 1.2.1 of Hertzbeat, which contains a patch for the permission bypass vulnerability.

Long-Term Security Practices

Implement proper access controls, authentication mechanisms, and regular security updates to prevent unauthorized access.

Patching and Updates

Regularly monitor for security advisories and apply patches promptly to ensure the security of monitoring systems.