CVE-2021-31399 : Exploit Details and Defense Strategies

A vulnerability on 2N Access Unit 2.0 2.31.0.40.5 devices allows an attacker to perform a man-in-the-middle attack by posing as the web relay.

Understanding CVE-2021-31399

This section provides an overview of the CVE-2021-31399 vulnerability.

What is CVE-2021-31399?

The CVE-2021-31399 vulnerability affects 2N Access Unit 2.0 2.31.0.40.5 devices, enabling attackers to engage in a man-in-the-middle attack.

The Impact of CVE-2021-31399

With a CVSS base score of 4.6, this vulnerability has a medium severity level, posing a threat to confidentiality by allowing unauthorized interception of communication.

Technical Details of CVE-2021-31399

Explore the technical aspects of CVE-2021-31399 below.

Vulnerability Description

The vulnerability allows threat actors to impersonate the web relay on 2N Access Unit 2.0 devices, potentially leading to interception of sensitive data.

Affected Systems and Versions

The affected systems include 2N Access Unit 2.0 2.31.0.40.5 devices.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging an adjacent network and required user interaction to execute a man-in-the-middle attack.

Mitigation and Prevention

Discover how to mitigate the risks associated with CVE-2021-31399.

Immediate Steps to Take

Immediately update the firmware of the 2N Access Unit 2.0 devices to the latest version to address this vulnerability.

Long-Term Security Practices

Implement network segmentation and encryption protocols to enhance overall network security and prevent unauthorized access.

Patching and Updates

Regularly monitor security advisories and apply patches promptly to protect against known vulnerabilities.