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Medium severity6.5NVD Advisory· Published Apr 10, 2026· Updated May 29, 2026

CVE-2021-47960

CVE-2021-47960

Description

A files or directories accessible to external parties vulnerability in Synology SSL VPN Client before 1.4.5-0684 allows remote attackers to access files within the installation directory via a local HTTP server bound to the loopback interface. By leveraging user interaction with a crafted web page, attackers may retrieve sensitive files such as configuration files, certificates, and logs, leading to information disclosure.

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Affected products

2
  • Synology/SSL VPN Client2 versions
    cpe:2.3:a:synology:ssl_vpn_client:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:synology:ssl_vpn_client:*:*:*:*:*:*:*:*range: <1.4.5-0684
    • (no CPE)range: <1.4.5-0684

Patches

Vulnerability mechanics

References

1

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