CVE-2021-3341 Explained : Impact and Mitigation

A path traversal vulnerability in the DxWebEngine component of DH2i DxEnterprise and DxOdyssey for Windows, version 19.5 through 20.x before 20.0.219.0, allows an attacker to read any file on the host file system via an HTTP request.

Understanding CVE-2021-3341

This CVE identifies a path traversal vulnerability in DH2i DxEnterprise and DxOdyssey for Windows, potentially exploited by an attacker to access sensitive files on the host system.

What is CVE-2021-3341?

CVE-2021-3341 is a security flaw in the DxWebEngine component of DH2i DxEnterprise and DxOdyssey for Windows versions 19.5 through 20.x. It permits unauthorized access to host system files through specially crafted HTTP requests.

The Impact of CVE-2021-3341

The impact of this vulnerability is significant as it enables attackers to view and extract sensitive files stored on the host system, potentially leading to unauthorized access to critical information.

Technical Details of CVE-2021-3341

This section provides technical insights into the vulnerability, detailing the affected systems and exploitation mechanism.

Vulnerability Description

The vulnerability resides in the DxWebEngine component of DH2i DxEnterprise and DxOdyssey for Windows, versions 19.5 through 20.x. Attackers can exploit this flaw to access files on the host system.

Affected Systems and Versions

DH2i DxEnterprise and DxOdyssey for Windows versions 19.5 through 20.x before 20.0.219.0 are affected by this vulnerability, exposing them to the risk of unauthorized file access.

Exploitation Mechanism

By sending crafted HTTP requests, malicious actors can traverse paths and access files on the host system, exploiting the vulnerability to retrieve sensitive information.

Mitigation and Prevention

This section outlines steps to mitigate the risks posed by CVE-2021-3341 and prevent potential exploitation.

Immediate Steps to Take

Update affected systems to version 20.0.219.0 or later to patch the vulnerability and prevent unauthorized file access.
Monitor network traffic for any suspicious HTTP requests to identify potential exploitation attempts.

Long-Term Security Practices

Implement strict file system access controls to limit user permissions and prevent unauthorized access to critical files.
Regularly review and update security protocols to address emerging threats and vulnerabilities.

Patching and Updates

Ensure timely application of security patches and updates provided by DH2i for DxEnterprise and DxOdyssey to keep systems secure and protected against known vulnerabilities.