CVE-2021-47961 (GCVE-0-2021-47961)

Vulnerability from cvelistv5 – Published: 2026-04-10 09:22 – Updated: 2026-04-10 12:42
VLAI?
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 ?
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CWE
  • CWE-256 - Plaintext Storage of a Password
Assigner
References
Impacted products
Vendor Product Version
Synology Synology SSL VPN Client Affected: * , < 1.4.5-0684 (semver)
Create a notification for this product.
Credits
Laurent Sibilla (https://www.linkedin.com/in/lsibilla/)
Show details on NVD website
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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