CVE-2021-33180 : What You Need to Know

A SQL Injection vulnerability in the Synology Media Server before version 1.8.1-2876 allows remote attackers to execute arbitrary SQL commands. This CVE was made public on May 26, 2021, with a CVSS base score of 7.3.

Understanding CVE-2021-33180

This section will cover what CVE-2021-33180 is, its impact, technical details, and mitigation strategies.

What is CVE-2021-33180?

The CVE-2021-33180 vulnerability involves improper neutralization of special elements in an SQL command (SQL Injection) in the cgi component of the Synology Media Server.

The Impact of CVE-2021-33180

The vulnerability allows remote attackers to execute arbitrary SQL commands by exploiting unspecified vectors, potentially leading to unauthorized access and data manipulation.

Technical Details of CVE-2021-33180

Let's dig deeper into the technical aspects of this vulnerability.

Vulnerability Description

The vulnerability arises from a lack of proper validation of user inputs, enabling attackers to inject malicious SQL commands.

Affected Systems and Versions

Synology Media Server versions prior to 1.8.1-2876 are affected by this vulnerability.

Exploitation Mechanism

Attackers can leverage the vulnerability in the cgi component to send crafted requests containing malicious SQL payloads.

Mitigation and Prevention

To secure systems against CVE-2021-33180, immediate steps and long-term security practices are crucial.

Immediate Steps to Take

Users should update Synology Media Server to version 1.8.1-2876 or later to mitigate the risk of SQL Injection attacks.

Long-Term Security Practices

Incorporate input validation mechanisms, employ the principle of least privilege, and regularly update and patch software to prevent future vulnerabilities.

Patching and Updates

Stay informed about security advisories from Synology and promptly apply patches and updates to protect systems from potential exploits.