CVE-2021-38476 Explained : Impact and Mitigation

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 are affected by a vulnerability that allows an attacker to enumerate different user accounts through the authentication process response.

Understanding CVE-2021-38476

This CVE ID refers to the vulnerability found in InHand Networks IR615 Router.

What is CVE-2021-38476?

The vulnerability in InHand Networks IR615 Router Versions 2.3.0.r4724 and 2.3.0.r4870 allows attackers to identify various user accounts.

The Impact of CVE-2021-38476

Due to this vulnerability, attackers can enumerate different user accounts, posing a risk to the affected systems.

Technical Details of CVE-2021-38476

The technical details of the CVE include:

Vulnerability Description

The vulnerability lies in the authentication process response, where the existence of a username can be validated, providing an opportunity for attackers to enumerate user accounts.

Affected Systems and Versions

The affected systems include InHand Networks IR615 Router Versions 2.3.0.r4724 and 2.3.0.r4870.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the authentication process response to identify different user accounts.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-38476, consider the following:

Immediate Steps to Take

InHand Networks has not responded to the requests to work with CISA for mitigation. Users of the affected product are advised to reach out to InHand Networks customer support for guidance.

Long-Term Security Practices

Implement solid security practices to safeguard against potential threats and vulnerabilities.

Patching and Updates

Regularly check for patches and updates provided by InHand Networks to address this vulnerability.