CVE-2021-33182 : Vulnerability Insights and Analysis

A Path Traversal vulnerability was discovered in the PDF Viewer component of Synology DiskStation Manager (DSM) before version 6.2.4-25553, allowing remote authenticated users to read limited files via unspecified vectors.

Understanding CVE-2021-33182

This section will delve into the details of CVE-2021-33182.

What is CVE-2021-33182?

CVE-2021-33182 is a Path Traversal vulnerability in Synology DiskStation Manager (DSM) that enables remote authenticated users to read specific files through the PDF Viewer component.

The Impact of CVE-2021-33182

The vulnerability's impact is rated as medium severity with a CVSS base score of 5.0. By exploiting this flaw, an attacker can potentially access restricted files on the system.

Technical Details of CVE-2021-33182

Let's explore the technical aspects of CVE-2021-33182.

Vulnerability Description

CVE-2021-33182 involves the improper limitation of a pathname within the PDF Viewer component in Synology DSM, allowing users to read limited files.

Affected Systems and Versions

The affected product is Synology DiskStation Manager (DSM) before version 6.2.4-25553.

Exploitation Mechanism

Remote authenticated users can exploit this vulnerability via unspecified vectors, gaining access to restricted files on the system.

Mitigation and Prevention

Discover the necessary steps to mitigate the risks posed by CVE-2021-33182.

Immediate Steps to Take

Users should update Synology DSM to version 6.2.4-25553 or later to eliminate this vulnerability. Additionally, monitoring file access and user permissions is recommended.

Long-Term Security Practices

Implementing strict file access controls, conducting regular security audits, and staying informed about security advisories are essential practices for long-term security.

Patching and Updates

Regularly applying security patches provided by Synology for DSM is crucial to safeguard against known vulnerabilities.