CVE-2021-47960 - CVE House
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Status published Medium CVE-2021-47960

A files or directories accessible to external parties vulnerability in...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Laurent Sibilla (https://www.linkedin.com/in/lsibilla/)

Affected Vendor

Affected Software

Synology SSL VPN Client
Vulnerable Versions:
*

Timeline

Official Publish: April 10th, 2026
Last Modified: April 10th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weaknesses (CWE)