August 2, 2026

CVE Watchtower


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CVE-2021-47961NVD

Vulnerability Summary

A plaintext storage of a password vulnerability in Synology SSL VPN Client before 1.4.5-0684 allows remote attackers to access or influence the user's PIN code due to insecure storage. This may lead to unauthorized VPN configuration and potential interception of subsequent VPN traffic when combined with user interaction.
Severity Level
HIGH(8.1)
Published Date
Apr 10, 2026
Last Modified
May 29, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.32%Probability
Root Weakness (CWE)
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone