CVE-2021-37099 : Exploit Details and Defense Strategies

This article provides detailed information about CVE-2021-37099, a Path Traversal vulnerability in Huawei HarmonyOS that could allow an attacker to delete any file on the device.

Understanding CVE-2021-37099

CVE-2021-37099 is a Path Traversal vulnerability in Huawei HarmonyOS, specifically version 2.0. This vulnerability, if successfully exploited, could result in the deletion of any file on the affected device.

What is CVE-2021-37099?

CVE-2021-37099 is a security flaw in Huawei HarmonyOS that allows an attacker to manipulate file paths and delete arbitrary files on the device, leading to potential data loss and system compromise.

The Impact of CVE-2021-37099

The exploitation of CVE-2021-37099 could have severe consequences, including unauthorized deletion of critical files, data breaches, and unauthorized access to sensitive information stored on the device.

Technical Details of CVE-2021-37099

This section outlines the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The Path Traversal vulnerability in Huawei HarmonyOS version 2.0 allows attackers to traverse file directories and delete files outside of the intended directory, leading to data loss and system compromise.

Affected Systems and Versions

The affected system is Huawei HarmonyOS version 2.0. Devices running this version are vulnerable to the CVE-2021-37099 Path Traversal exploit.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating file paths to access and delete files that they should not have permission to modify, potentially causing disruptions and loss of critical data.

Mitigation and Prevention

To protect systems from CVE-2021-37099, it is crucial to take immediate steps and implement long-term security practices.

Immediate Steps to Take

Users should update their Huawei HarmonyOS devices to the latest security patch provided by Huawei to mitigate the risk of exploitation. Additionally, users should avoid downloading or accessing files from untrusted sources.

Long-Term Security Practices

Implementing secure coding practices, performing regular security audits, and educating users on safe browsing habits can help prevent future vulnerabilities and protect devices from exploitation.

Patching and Updates

Regularly applying security patches and updates from Huawei is essential to address known vulnerabilities like CVE-2021-37099 and enhance the overall security posture of HarmonyOS devices.