CVE-2021-47960NVD

Vulnerability Summary

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.

Severity Level

MEDIUM(6.5)

Published Date

Apr 10, 2026

Last Modified

May 29, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.19%Probability

Root Weakness (CWE)

CWE-552: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 6.5 (MEDIUM)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

ConfidentialityHigh

IntegrityNone

AvailabilityNone

Affected & Patched Versions

Affected Versions

Synology Ssl Vpn Client < 1.4.5-0684

Patched Versions

Synology Ssl Vpn Client 1.4.5-0684

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