CVE-2021-47960

Synology SSL VPN ClientVulnerabilityCVSS 6.5

De multiples vulnérabilités ont été découvertes dans Synology SSL VPN Client. Elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données et une atteinte à l'intégrité des données.

No public exploitation has been reported so far. No distribution fix is listed yet; apply vendor mitigations and monitor.

Recommended action: Track your distribution's security tracker and apply the fix as soon as it ships.

CVE-2021-47960 Synology SSL VPN Client Vulnerability

Severity metrics

CVSS 3.1 : 6.5 MEDIUM

Attack vectorNetwork (remote)

Attack complexityLow

Privileges requiredNone

User interactionRequired

ScopeUnchanged

Confidentiality impactHigh

Integrity impactNone

Availability impactNone

Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Key points

CVE : CVE-2021-47960, CVE-2021-47961

Affected & fixed versions by distribution

Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.

No affected package in the tracked watchlist yet (Debian, Ubuntu, Arch, SUSE, Red Hat...). Triage may still be pending.

Sources

Advisory NVD CVE.org

Published 2026-04-14 · updated 2026-07-26