CVE-2021-29090 : What You Need to Know

A SQL Injection vulnerability was discovered in the PHP component of Synology Photo Station before version 6.8.14-3500, allowing remote authenticated users to execute arbitrary SQL commands.

Understanding CVE-2021-29090

This CVE involves an improper neutralization of special elements in SQL commands, enabling attackers to manipulate the database through unauthorized SQL queries.

What is CVE-2021-29090?

The CVE-2021-29090 vulnerability relates to the PHP component in Synology Photo Station, where attackers with remote authenticated access can execute unauthorized SQL commands, potentially leading to data compromise or loss.

The Impact of CVE-2021-29090

With a CVSS base score of 7.2, this high-severity vulnerability can result in significant data confidentiality, integrity, and availability risks for affected Synology Photo Station users. Attackers can exploit this flaw to manipulate data or extract sensitive information.

Technical Details of CVE-2021-29090

The vulnerability stems from improper handling of SQL commands by the PHP component in Synology Photo Station, specifically before version 6.8.14-3500.

Vulnerability Description

The SQL Injection flaw allows remote authenticated users to run arbitrary SQL commands via unspecified vectors, posing a critical risk to the application's security and data.

Affected Systems and Versions

Synology Photo Station versions prior to 6.8.14-3500 are impacted by this vulnerability, potentially exposing users of these versions to SQL Injection attacks.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious SQL commands and sending them to the application, leveraging the lack of input validation or proper neutralization of SQL elements.

Mitigation and Prevention

To address CVE-2021-29090 and enhance security posture, users of Synology Photo Station should take immediate steps and adopt long-term security practices.

Immediate Steps to Take

Users should apply the latest security patches provided by Synology to ensure that systems are protected against the SQL Injection vulnerability. It is crucial to update the Photo Station to version 6.8.14-3500 or above.

Long-Term Security Practices

In addition to patching, users should follow security best practices such as enforcing the principle of least privilege, implementing input validation mechanisms, and conducting regular security audits to detect and mitigate similar vulnerabilities.

Patching and Updates

Regularly monitor and apply security updates released by Synology to protect systems from known vulnerabilities and ensure the overall security of Synology Photo Station.