CVE-2021-41028
Last modified
CVE-2021-41028 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Forticlient | >= 6.0.0, <= 6.0.9 |
| Fortinet | Forticlient | >= 6.2.0, <= 6.2.9 |
| Fortinet | Forticlient | >= 6.4.0, <= 6.4.6 |
| Fortinet | Forticlient | 7.0.0 |
| Fortinet | Forticlient | 7.0.1 |
| Fortinet | Forticlient Endpoint Management Server | >= 6.2.0, <= 6.2.9 |
| Fortinet | Forticlient Endpoint Management Server | >= 6.4.0, <= 6.4.6 |
| Fortinet | Forticlient Endpoint Management Server | 7.0.0 |
| Fortinet | Forticlient Endpoint Management Server | 7.0.1 |
References
- https://fortiguard.com/advisory/FG-IR-21-075Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-21-075Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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