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CVE-2021-47960

MEDIUM CVSS 3.1: 6.5 EPSS 0.03%
Updated Apr 10, 2026
Synology
Parameter Value
CVSS 6.5 (MEDIUM)
Affected Versions before 1.4.5
Type CWE-552
Vendor Synology
Public PoC No

A files or directories accessible to external parties vulnerability in Synology SSL VPN Client before 1.4.5-0684 allows remote attackers to access files within the installation directory via a local HTTP server bound to the loopback interface. By leveraging user interaction with a crafted web page, attackers may retrieve sensitive files such as configuration files, certificates, and logs, leading to information disclosure.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)