CVE-2020-27660 : What You Need to Know
Learn about CVE-2020-27660, a critical SQL injection vulnerability in Synology SafeAccess allowing remote attackers to execute arbitrary SQL commands. Find mitigation steps and long-term security practices here.
SQL injection vulnerability in request.cgi in Synology SafeAccess before 1.2.3-0234 allows remote attackers to execute arbitrary SQL commands via the domain parameter.
Understanding CVE-2020-27660
This CVE involves a SQL injection vulnerability in Synology SafeAccess, potentially allowing remote attackers to execute arbitrary SQL commands.
What is CVE-2020-27660?
CVE-2020-27660 is a critical vulnerability in Synology SafeAccess that enables remote attackers to perform SQL injection attacks through the domain parameter in request.cgi.
The Impact of CVE-2020-27660
The vulnerability has a CVSS base score of 9.6, indicating a critical severity level. It can lead to high impacts on confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2020-27660
This section provides detailed technical information about the CVE.
Vulnerability Description
The vulnerability allows remote attackers to execute arbitrary SQL commands via the domain parameter in request.cgi of Synology SafeAccess before version 1.2.3-0234.
Affected Systems and Versions
- Product: Safe Access
- Vendor: Synology
- Versions Affected: < 1.2.3-0234 (unspecified/custom version)
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Mitigation and Prevention
Protecting systems from CVE-2020-27660 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Synology SafeAccess to version 1.2.3-0234 or later to mitigate the vulnerability.
- Monitor network traffic for any suspicious activities related to SQL injection attempts.
Long-Term Security Practices
- Implement input validation mechanisms to sanitize user inputs and prevent SQL injection attacks.
- Regularly audit and review the security configurations of Synology SafeAccess to identify and address any potential vulnerabilities.
Patching and Updates
- Stay informed about security advisories from Synology and promptly apply patches and updates to ensure the system's security.