CVE-2021-47961

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 10, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2021-47961: High severity, CVSS 8.1 | Vulnix