CVE-2017-17543

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Users' VPN authentication credentials are unsafely encrypted in Fortinet FortiClient for Windows 5.6.0 and below versions, FortiClient for Mac OSX 5.6.0 and below versions and FortiClient SSLVPN Client for Linux 4.4.2335 and below versions, due to the use of a static encryption key and weak encryption algorithms.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-326

Affected software

Vendor	Product	Versions
Fortinet, Inc.	FortiClient for Windows	5.6.0 and below versions
Fortinet, Inc.	FortiClient for Mac OSX	5.6.0 and below versions
Fortinet, Inc.	FortiClient SSLVPN Client for Linux	4.4.2335 and below versions

References

Timeline

Published: Apr 26, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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