CVE-2021-47960CWE-552

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…

Medium · published April 10, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
7.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00188 · 7.9th percentile
Weakness
CWE-552 · Files or Directories Accessible to External Parties
Published
2026-04-10T09:21Z
EPSS history
Timeline
  • 10 APR 09:21Z
    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…
    cvelistv5