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    CVE-2017-17543

    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.

    Published:Apr 26, 2018
    Last Modified:Nov 21, 2024
    EPS:Apr 26, 2018
    EPSS Score:0.00071
    CVSS Score:7.5

    Affected Products

    Vendor
    Fortinet
    Product
    Forticlient
    Vendor
    Fortinet
    Product
    Forticlient Sslvpn Client

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-326 Inadequate Encryption Strength

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-112 Brute Force
    CAPEC-192 Protocol Analysis
    CAPEC-20 Encryption Brute Forcing

    Related CVEs

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    CVE-2025-62676 (CVSS 7.1) — An Improper Link Resolution Before File Access ('Link Following') vulnerability [CWE-59] vulnerability in Fort…
    CVE-2025-54660 (CVSS 5.5) — An active debug code vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.…
    CVE-2025-46373 (CVSS 7.8) — A Heap-based Buffer Overflow vulnerability [CWE-122] vulnerability in Fortinet FortiClientWindows 7.4.0 throug…
    CVE-2025-47761 (CVSS 7.8) — An Exposed IOCTL with Insufficient Access Control vulnerability [CWE-782] vulnerability in Fortinet FortiClien…
    CVE-2025-46774 (CVSS 7.5) — An Improper Verification of Cryptographic Signature vulnerability [CWE-347] in FortiClient MacOS installer ver…
    CVE-2025-31365 (CVSS 5.8) — An Improper Control of Generation of Code ('Code Injection') vulnerability [CWE-94] in FortiClientMac 7.4.0 th…
    CVE-2025-57716 (CVSS 6.7) — An Uncontrolled Search Path Element vulnerability [CWE-427] in FortiClient Windows 7.4.0 through 7.4.3, 7.2.0 …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High