PT-2026-31905 · Synology · Synology Ssl Vpn Client

Laurent Sibilla · Published 2026-04-10 · Updated 2026-04-10 · CVE-2021-47960

Mitre

CVSS v3.1

6.5

Medium

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

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.

Fix

Files Accessible to External Parties

Weakness Enumeration

CWE-552

Related Identifiers

CVE-2021-47960

Affected Products

Synology Ssl Vpn Client

References · 3

• https://synology.com/en-global/security/advisory/Synology_SA_26_05 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-47960 · Security Note
• https://twitter.com/CVEnew/status/2042561706883453000 · Twitter Post