Description
A combination of a use of hard-coded cryptographic key vulnerability [CWE-321] in FortiClientEMS 7.0.1 and below, 6.4.6 and below and an improper certificate validation vulnerability [CWE-297] in FortiClientWindows, FortiClientLinux and FortiClientMac 7.0.1 and below, 6.4.6 and below may allow an unauthenticated and network adjacent attacker to perform a man-in-the-middle attack between the EMS and the FCT via the telemetry protocol.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://fortiguard.com/advisory/FG-IR-21-075
Scores
CVSS v3
8.2
EPSS
0.0014
EPSS Percentile
34.4%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-295
CWE-798
Status
published
Products (7)
fortinet/forticlient
7.0.0 (3 CPE variants)
fortinet/forticlient
7.0.1 (3 CPE variants)
fortinet/forticlient
6.0.0 - 6.0.9 (2 CPE variants)
fortinet/forticlient
6.2.0 - 6.2.9
fortinet/forticlient_endpoint_management_server
7.0.0
fortinet/forticlient_endpoint_management_server
7.0.1
fortinet/forticlient_endpoint_management_server
6.2.0 - 6.2.9
Published
Dec 16, 2021
Tracked Since
Feb 18, 2026