CVE-2021-33184 : Exploit Details and Defense Strategies
Learn about CVE-2021-33184, a high severity SSRF vulnerability in Synology Download Station before 3.8.15-3563, allowing authenticated users to access arbitrary files.
A Server-Side request forgery (SSRF) vulnerability in the task management component of Synology Download Station before version 3.8.15-3563 has been identified. This vulnerability allows remote authenticated users to read arbitrary files through unspecified vectors.
Understanding CVE-2021-33184
This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-33184.
What is CVE-2021-33184?
CVE-2021-33184 is a Server-Side request forgery (SSRF) vulnerability in Synology Download Station that enables authenticated remote attackers to access arbitrary files via unspecified vectors.
The Impact of CVE-2021-33184
The vulnerability poses a high severity threat with a CVSS base score of 7.7. It can result in a breach of confidentiality, allowing attackers to read sensitive information through the exploitation of SSRF.
Technical Details of CVE-2021-33184
This section delves into the specific technical aspects of the vulnerability.
Vulnerability Description
The SSRF vulnerability in Synology Download Station permits remote authenticated users to retrieve arbitrary files using unidentified attack vectors.
Affected Systems and Versions
Synology Download Station versions prior to 3.8.15-3563 are impacted by this security flaw.
Exploitation Mechanism
The exploit involves leveraging the SSRF vulnerability in the task management component to manipulate the system into revealing unauthorized files.
Mitigation and Prevention
Protecting systems from CVE-2021-33184 requires immediate action and long-term security measures.
Immediate Steps to Take
Users should update Synology Download Station to version 3.8.15-3563 or above to mitigate the SSRF vulnerability. Additionally, closely monitor network traffic for any suspicious activity.
Long-Term Security Practices
Implement strict firewall rules, access controls, and regular security audits to prevent SSRF attacks.
Patching and Updates
Stay informed about security advisories from Synology and promptly apply patches and updates to eliminate known vulnerabilities.