CVE-2021-34810 : What You Need to Know

A vulnerability has been identified in Synology Download Station that could allow remote authenticated users to execute arbitrary code. This CVE was published on June 17, 2021, with a CVSS base score of 9.9.

Understanding CVE-2021-34810

This section dives into the details of the CVE-2021-34810 vulnerability affecting the Synology Download Station.

What is CVE-2021-34810?

The CVE-2021-34810 vulnerability is due to improper privilege management in the cgi component of Synology Download Station before version 3.8.16-3566. Remote authenticated users can exploit this vulnerability to run arbitrary code through unspecified vectors.

The Impact of CVE-2021-34810

With a CVSS base score of 9.9 (Critical), this vulnerability poses a significant risk by allowing remote attackers to execute malicious code on the affected systems. The confidentiality, integrity, and availability of the system are at high risk.

Technical Details of CVE-2021-34810

This section provides technical insights into the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Synology Download Station arises from improper privilege management in the cgi component. Attackers with remote authenticated access can exploit this flaw to execute arbitrary code on the target system.

Affected Systems and Versions

Synology Download Station versions prior to 3.8.16-3566 are affected by this vulnerability. Users with these versions should take immediate action to prevent exploitation.

Exploitation Mechanism

Remote authenticated users can exploit CVE-2021-34810 by leveraging unspecified vectors in the Synology Download Station's cgi component to execute malicious code.

Mitigation and Prevention

To secure systems from CVE-2021-34810, users should take immediate steps to mitigate the risk and implement long-term security practices, including regular patching and updates.

Immediate Steps to Take

Users of affected versions should update Synology Download Station to version 3.8.16-3566 or later. Additionally, monitor systems for any signs of unauthorized access or malicious activity.

Long-Term Security Practices

Maintain strong access control measures, conduct regular security audits, and educate users on best security practices to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security advisories from Synology and promptly apply patches and updates to ensure the latest security fixes are in place.