PSIRT Advisories

Monthly PSIRT Advisories

The following is a list of advisories for issues resolved in Fortinet products. The resolution of such issues is coordinated by the Fortinet Product Security Incident Response Team (PSIRT), a dedicated, global team that manages the receipt, investigation, and public reporting of information about security vulnerabilities and issues related to Fortinet products and services.  

For details of how to raise a PSIRT Issue with Fortinet, please see our PSIRT Policy here.

An improper control of a resource through its lifetime [CWE-664] vulnerability in FortiClient (Windows) may allow a privil...

FortiClientWindows 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.0.9, 6.0.8, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.10, 6.0.1, 6.0.0, 5.6.6, 5.6.5, 5.6.4, 5.6.3, 5.6.2, 5.6.1, 5.6.0, 5.4.5, 5.4.4, 5.4.3, 5.4.2, 5.4.1, 5.4.0, 5.2.6, 5.2.5, 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.0.9, 5.0.8, 5.0.7, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.11, 5.0.10, 5.0.1, 5.0.0, 4.3.5, 4.3.4, 4.3.3, 4.3.2, 4.3.1, 4.3.0, 4.2.7, 4.2.6, 4.2.5, 4.2.4, 4.2.3, 4.2.2, 4.2.1, 4.2.0, 4.1.3, 4.1.2, 4.1.1, 4.1.0, 4.0.4, 4.0.3, 4.0.2, 4.0.1
Dec 07, 2021 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo Medium IR Number: FG-IR-21-167 CVE-2021-43204
An improper authorization vulnerabiltiy [CWE-285] in FortiClient Windows may allow an unauthenticated attacker to bypass t...

FortiClientWindows 7.0.0, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0
Dec 07, 2021 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo Medium IR Number: FG-IR-20-127 CVE-2021-36167
An Insecure Temporary File (CWE-377) vulnerability in FortiClient for Windows may allow a local user to gain elevated priv...

FortiClientWindows 6.2.1, 6.2.0, 6.0.9, 6.0.8, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.10, 6.0.1, 6.0.0
May 25, 2020 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo Medium IR Number: FG-IR-20-040 CVE-2020-9291
An unquoted service path vulnerability in the FortiClient FortiTray component may allow an attacker to gain elevated privi...

FortiClientWindows 6.2.2
Mar 09, 2020 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo Medium IR Number: FG-IR-19-281 CVE-2019-17658
Use of a hardcoded cryptographic key in the FortiGuard services communication protocol may allow a Man in the middle with ...

FortiOS 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0, 5.6.9, 5.6.8, 5.6.7, 5.6.6, 5.6.5, 5.6.4, 5.6.3, 5.6.2, 5.6.11, 5.6.10, 5.6.1, 5.6.0, 5.4.9, 5.4.8, 5.4.7, 5.4.6, 5.4.5, 5.4.4, 5.4.3, 5.4.2, 5.4.13, 5.4.12, 5.4.11, 5.4.10, 5.4.1, 5.4.0, 5.2.9, 5.2.8, 5.2.7, 5.2.6, 5.2.5, 5.2.4, 5.2.3, 5.2.2, 5.2.15, 5.2.14, 5.2.13, 5.2.12, 5.2.11, 5.2.10, 5.2.1, 5.2.0, 5.0.9, 5.0.8, 5.0.7, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.14, 5.0.13, 5.0.12, 5.0.11, 5.0.10, 5.0.1, 5.0.0, 4.3.9, 4.3.8, 4.3.7, 4.3.6, 4.3.5, 4.3.4, 4.3.3, 4.3.2, 4.3.19, 4.3.18, 4.3.17, 4.3.16, 4.3.15, 4.3.14, 4.3.13, 4.3.12, 4.3.11, 4.3.10, 4.3.1, 4.3.0, 4.2.9, 4.2.8, 4.2.7, 4.2.6, 4.2.5, 4.2.4, 4.2.3, 4.2.2, 4.2.16, 4.2.15, 4.2.14, 4.2.13, 4.2.12, 4.2.11, 4.2.10, 4.2.1, 4.2.0, 4.1.9, 4.1.8, 4.1.7, 4.1.6, 4.1.5, 4.1.4, 4.1.3, 4.1.2, 4.1.11, 4.1.10, 4.1.1, 4.0.4, 4.0.3, 4.0.2, 4.0.1, 4.0.0 FortiMail 6.0.9, 6.0.8, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.12, 6.0.11, 6.0.10, 6.0.1, 6.0.0, 5.4.9, 5.4.8, 5.4.7, 5.4.6, 5.4.5, 5.4.4, 5.4.3, 5.4.2, 5.4.12, 5.4.11, 5.4.10, 5.4.1, 5.4.0, 5.3.9, 5.3.8, 5.3.7, 5.3.6, 5.3.5, 5.3.4, 5.3.3, 5.3.2, 5.3.13, 5.3.12, 5.3.10, 5.3.1, 5.3.0, 5.2.9, 5.2.8, 5.2.7, 5.2.6, 5.2.5, 5.2.4, 5.2.3, 5.2.2, 5.2.10, 5.2.1, 5.2.0, 5.1.7, 5.1.6, 5.1.5, 5.1.4, 5.1.3, 5.1.2, 5.1.1, 5.1.0, 5.0.9, 5.0.8, 5.0.7, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.11, 5.0.10, 5.0.1, 5.0.0, 4.3.9, 4.3.8, 4.3.7, 4.3.6, 4.3.5, 4.3.4, 4.3.3, 4.3.2, 4.3.1, 4.3.0, 4.2.4, 4.2.3, 4.2.2, 4.2.1, 4.2.0, 4.1.3, 4.1.2, 4.1.1, 4.1.0, 4.0.5, 4.0.4, 4.0.3, 4.0.2, 4.0.1, 2.0.1 FortiClientMac 6.2.0, 6.0.9, 6.0.8, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.10, 6.0.1, 5.6.6, 5.6.5, 5.6.3, 5.6.1, 5.6.0, 5.4.4, 5.4.3, 5.4.2, 5.4.1, 5.4.0, 5.2.6, 5.2.5, 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.0.9, 5.0.8, 5.0.7, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.10, 5.0.1, 5.0.0, 4.0.3, 4.0.2, 4.0.1, 4.0.0 FortiClientWindows 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0, 5.6.6, 5.6.5, 5.6.4, 5.6.3, 5.6.2, 5.6.1, 5.6.0, 5.4.5, 5.4.4, 5.4.3, 5.4.2, 5.4.1, 5.4.0, 5.2.6, 5.2.5, 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.0.9, 5.0.8, 5.0.7, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.11, 5.0.10, 5.0.1, 5.0.0, 4.3.5, 4.3.4, 4.3.3, 4.3.2, 4.3.1, 4.3.0, 4.2.7, 4.2.6, 4.2.5, 4.2.4, 4.2.3, 4.2.2, 4.2.1, 4.2.0, 4.1.3, 4.1.2, 4.1.1, 4.1.0, 4.0.4, 4.0.3, 4.0.2, 4.0.1 FortiClientiOS 6.0.0, 5.6.6, 5.6.5, 5.6.1, 5.6.0, 5.4.4, 5.4.3, 5.4.1, 5.4.0, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.0.3, 5.0.2, 5.0.1, 5.0.0, 4.0.2, 4.0.1, 4.0.0, 2.0.1, 2.0.0 FortiGuard 6.6.7 FortiManager 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0, 5.6.9, 5.6.8, 5.6.7, 5.6.6, 5.6.5, 5.6.4, 5.6.3, 5.6.2, 5.6.11, 5.6.10, 5.6.1, 5.6.0, 5.4.7, 5.4.6, 5.4.5, 5.4.4, 5.4.3, 5.4.2, 5.4.1, 5.4.0 FortiSandbox 3.1.0, 3.0.7, 3.0.6, 3.0.5, 3.0.4, 3.0.3, 3.0.2, 3.0.1, 3.0.0, 2.5.2, 2.5.1, 2.5.0, 2.4.1, 2.4.0, 2.3.3, 2.3.2, 2.3.1, 2.3.0, 2.2.2, 2.2.1, 2.2.0, 2.1.3, 2.1.2, 2.1.1, 2.1.0, 2.0.3, 2.0.2, 2.0.1, 2.0.0, 1.4.3, 1.4.2, 1.4.1, 1.4.0, 1.3.0, 1.2.3, 1.2.0, 1.1.0
Dec 05, 2019 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo Medium IR Number: FG-IR-18-100 CVE-2018-9195
FortiClient for Windows could be subject to the following shut down or tampering attempts:a) User Interface or Command Lin...

FortiClientWindows 6.2.2, 6.2.1, 6.2.0, 6.0.9, 6.0.8, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.10, 6.0.1, 6.0.0, 5.6.6, 5.6.5, 5.6.4, 5.6.3, 5.6.2, 5.6.1, 5.6.0
Oct 18, 2019 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo Medium IR Number: FG-IR-19-148 CVE-2019-6692