CVE-2021-22382 : Vulnerability Insights and Analysis

This article provides an in-depth understanding of CVE-2021-22382, a vulnerability found in Huawei LTE USB Dongle products with the potential for improper permission assignment.

Understanding CVE-2021-22382

CVE-2021-22382 highlights a security flaw in Huawei LTE USB Dongle products that could be exploited by attackers to perform unauthenticated operations.

What is CVE-2021-22382?

The vulnerability involves an improper permission assignment in Huawei LTE USB Dongle products, allowing attackers to locally access a PC and induce users to install a malicious application. Once exploited, unauthorized operations can be carried out by the attacker.

The Impact of CVE-2021-22382

The impact of CVE-2021-22382 can be severe as it enables attackers to bypass authentication and execute operations on affected systems without proper authorization.

Technical Details of CVE-2021-22382

A detailed look into the technical aspects of CVE-2021-22382 reveals the following:

Vulnerability Description

The vulnerability arises due to improper permission assignment in Huawei LTE USB Dongle products, leading to unauthorized access and operations.

Affected Systems and Versions

Products such as E3372 with version E3372h-153TCPU-V200R002B333D01SP00C00 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging local access to a PC and convincing users to install a specially crafted application, enabling them to conduct unauthenticated operations.

Mitigation and Prevention

To address CVE-2021-22382, follow these security measures:

Immediate Steps to Take

Update affected Huawei LTE USB Dongle products to the latest firmware version.
Avoid downloading and installing applications from untrusted sources.

Long-Term Security Practices

Regularly monitor security advisories from Huawei to stay informed about potential vulnerabilities.
Implement network segmentation to restrict access to critical systems.

Patching and Updates

Apply security patches provided by Huawei promptly to mitigate the risk of exploitation.