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 authentication bypass by capture-replay vulnerability [CWE-294] in FortiClient EMS may allow an unauthenticated attacke...

FortiClientEMS 7.0.1, 7.0.0, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 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-21-192 CVE-2021-41030
A combination of a use of hard-coded cryptographic key vulnerability [CWE-321] in FortiClientEMS and an improper certifica...

FortiClientMac 7.0.1, 7.0.0, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 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 FortiClientEMS 7.0.1, 7.0.0, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0 FortiClientWindows 7.0.1, 7.0.0, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 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 FortiClientLinux 7.0.1, 7.0.0, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 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 High IR Number: FG-IR-21-075 CVE-2021-41028
A missing encryption of sensitive data vulnerability [CWE-311] in FortiClientEMS may allow an authenticated attacker to vi...

FortiClientEMS 7.0.1, 7.0.0, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0
Dec 07, 2021 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo Medium IR Number: FG-IR-21-140 CVE-2021-36189
A privilege escalation vulnerability in FortiNAC may allow an admin user to escalate the privileges to root via the sudo command.

FortiNAC 9.1.2, 9.1.1, 9.1.0, 8.8.8, 8.8.7, 8.8.6, 8.8.5, 8.8.4, 8.8.3, 8.8.2, 8.8.1, 8.8.0
Dec 07, 2021 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo High IR Number: FG-IR-21-182 CVE-2021-41021
An incorrect permission assignment for a critical resource vulnerability [CWE-732] in FortiNAC may allow an authenticated ...

FortiNAC 9.2.0, 9.1.3, 9.1.2, 9.1.1, 9.1.0, 8.8.9, 8.8.8, 8.8.7, 8.8.6, 8.8.5, 8.8.4, 8.8.3, 8.8.2, 8.8.1, 8.8.0
Dec 07, 2021 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo High IR Number: FG-IR-21-178 CVE-2021-43065
An insufficient verification of data authenticity vulnerability (CWE-345) in the user interface of FortiProxy and FortiGat...

FortiProxy 2.0.3, 2.0.2, 2.0.1, 2.0.0, 1.2.9, 1.2.8, 1.2.7, 1.2.6, 1.2.5, 1.2.4, 1.2.3, 1.2.2, 1.2.11, 1.2.10, 1.2.1, 1.2.0 FortiOS 7.0.0, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 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, 6.0.14, 6.0.13, 6.0.12, 6.0.11, 6.0.10, 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, 5.6.14, 5.6.13, 5.6.12, 5.6.11, 5.6.10, 5.6.1, 5.6.0
Dec 07, 2021 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo Medium IR Number: FG-IR-20-158 CVE-2021-26103
A relative path traversal [CWE-23] vulnerabiltiy in FortiOS and FortiProxy may allow an unauthenticated, unauthorized atta...

FortiOS 7.0.1, 7.0.0 FortiProxy 7.0.0
Dec 07, 2021 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo High IR Number: FG-IR-21-181 CVE-2021-41024
A use of hard-coded cryptographic key vulnerability [CWE 321] in FortiOS SSLVPN may allow an attacker to retrieve the key ...

FortiOS 7.0.0, 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, 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, 5.6.9, 5.6.8, 5.6.7, 5.6.6, 5.6.5, 5.6.4, 5.6.3, 5.6.2, 5.6.13, 5.6.12, 5.6.11, 5.6.10, 5.6.1, 5.6.0
Dec 07, 2021 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo High IR Number: FG-IR-21-051 CVE-2021-26108
A heap-based buffer overflow [CWE-122] in the firmware signature verification function of FortiOS may allow an attacker to...

FortiOS 7.0.1, 7.0.0, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 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, 6.0.13, 6.0.12, 6.0.11, 6.0.10, 6.0.1, 6.0.0
Dec 07, 2021 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo High IR Number: FG-IR-21-115 CVE-2021-36173
An integer overflow or wraparound vulnerability [CWE-190] in FortiOS SSLVPN memory allocator may allow an unauthenticated ...

FortiOS 7.0.0, 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, 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
Dec 07, 2021 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo High IR Number: FG-IR-21-049 CVE-2021-26109
A download of code without integrity check vulnerability [CWE-494] in the "execute restore src-vis" command of FortiOS may...

FortiOS 7.0.2, 7.0.1, 7.0.0, 6.4.7, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 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, 6.0.13, 6.0.12, 6.0.11, 6.0.10, 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, 5.6.14, 5.6.13, 5.6.12, 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
Dec 07, 2021 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo Low IR Number: FG-IR-21-201 CVE-2021-44168
An improper access control vulnerability [CWE-284] in FortiOS and FortiProxy autod daemon may allow an authenticated low-p...

FortiOS 7.0.0, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 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, 6.0.12, 6.0.11, 6.0.10, 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, 5.6.14, 5.6.13, 5.6.12, 5.6.11, 5.6.10, 5.6.1, 5.6.0
Dec 07, 2021 Severity light-circle-logo light-circle-logo light-circle-logo light-circle-logo light-circle-logo High IR Number: FG-IR-20-131 CVE-2021-26110
A missing cryptographic steps vulnerability [CWE-325] in the function that encrypts users' LDAP and RADIUS credentials in ...

FortiADC 6.2.0, 6.1.3, 6.1.2, 6.1.1, 6.1.0, 6.0.3, 6.0.2, 6.0.1, 6.0.0 FortiSandbox 3.2.2, 3.2.1, 3.2.0 FortiWeb 6.3.9, 6.3.8, 6.3.7, 6.3.6, 6.3.5, 6.3.4, 6.3.3, 6.3.2, 6.3.11, 6.3.10, 6.3.1, 6.3.0, 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-20-222 CVE-2021-32591