VULNERABILITY INTELLIGENCE

CVE-2021-47961

CVSS score8.1 HIGH
EPSS probability0.32%
CISA KEVNot currently listed
Published2026-04-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

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.

Weakness classification

  • security@synology.com: CWE-256

Primary references