CVE-2021-36995 : What You Need to Know

A vulnerability has been identified in Huawei Smartphones that could allow unauthorized file access, potentially leading to file tampering when restored from backups.

Understanding CVE-2021-36995

This CVE record highlights a critical unauthorized file access vulnerability in Huawei Smartphones that could be exploited to manipulate files.

What is CVE-2021-36995?

The CVE-2021-36995 vulnerability involves unauthorized file access on Huawei Smartphones. Exploiting this flaw by altering soft links may result in file tampering during the restoration from backups.

The Impact of CVE-2021-36995

If successfully exploited, this vulnerability could allow attackers to access and manipulate sensitive files on Huawei Smartphones, compromising data integrity and confidentiality.

Technical Details of CVE-2021-36995

Here are some technical specifics regarding CVE-2021-36995:

Vulnerability Description

The vulnerability allows unauthorized file access on Huawei Smartphones by modifying soft links, leading to potential file tampering after backups restoration.

Affected Systems and Versions

Affected products include EMUI versions 11.0.0 and 10.1.1, as well as Magic UI versions 4.0.0 and 3.1.1.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating soft links, granting unauthorized access to files stored on Huawei Smartphones.

Mitigation and Prevention

To address CVE-2021-36995, follow these mitigation strategies:

Immediate Steps to Take

Huawei Smartphone users are advised to exercise caution when interacting with unknown files or sources.
Regularly update devices with the latest security patches from Huawei to mitigate the risk of exploitation.

Long-Term Security Practices

Employ best practices for data backup and storage to minimize the impact of potential file tampering.
Implement strong access controls and authentication mechanisms to restrict unauthorized file access.

Patching and Updates

Ensure that Huawei Smartphones are kept up to date with the latest firmware and security updates to address known vulnerabilities.