CVE-2020-27652 : Vulnerability Insights and Analysis
Learn about CVE-2020-27652, a high-severity vulnerability in Synology DiskStation Manager (DSM) allowing man-in-the-middle attacks. Find mitigation steps and preventive measures here.
A vulnerability in Synology DiskStation Manager (DSM) before version 6.2.3-25426-2 allows attackers to downgrade algorithms, potentially leading to sensitive information exposure.
Understanding CVE-2020-27652
This CVE involves an algorithm downgrade vulnerability in QuickConnect within Synology DiskStation Manager (DSM) before version 6.2.3-25426-2.
What is CVE-2020-27652?
The vulnerability allows man-in-the-middle attackers to spoof servers and obtain sensitive information through unspecified vectors.
The Impact of CVE-2020-27652
- CVSS Base Score: 8.3 (High Severity)
- Attack Vector: Network
- Attack Complexity: High
- Privileges Required: None
- User Interaction: Required
- Confidentiality, Integrity, and Availability Impact: High
- Scope: Changed
Technical Details of CVE-2020-27652
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises from an algorithm downgrade issue in QuickConnect, potentially enabling man-in-the-middle attacks.
Affected Systems and Versions
- Affected Product: DiskStation Manager (DSM) by Synology
- Affected Versions: Before 6.2.3-25426-2
- Version Type: Custom
Exploitation Mechanism
The vulnerability can be exploited by attackers intercepting communications and downgrading algorithms to obtain sensitive data.
Mitigation and Prevention
Protecting systems from CVE-2020-27652 is crucial to maintaining security.
Immediate Steps to Take
- Update Synology DiskStation Manager (DSM) to version 6.2.3-25426-2 or later.
- Monitor network traffic for any suspicious activity.
- Implement strong encryption protocols to prevent algorithm downgrades.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Conduct security audits and penetration testing to identify vulnerabilities.
- Educate users and employees on cybersecurity best practices.
Patching and Updates
- Stay informed about security advisories from Synology.
- Apply patches promptly to address known vulnerabilities.