Vulnerability Details : CVE-2021-41028
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.
Products affected by CVE-2021-41028
- Fortinet » Forticlient » For LinuxVersions from including (>=) 6.2.0 and up to, including, (<=) 6.2.9cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:*
- Fortinet » Forticlient » For MacosVersions from including (>=) 6.0.0 and up to, including, (<=) 6.0.9cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:macos:*:*
- Fortinet » Forticlient » For WindowsVersions from including (>=) 6.0.0 and up to, including, (<=) 6.0.9cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*
- Fortinet » Forticlient » For LinuxVersions from including (>=) 6.4.0 and up to, including, (<=) 6.4.6cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:*
- Fortinet » Forticlient » For WindowsVersions from including (>=) 6.4.0 and up to, including, (<=) 6.4.6cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*
- Fortinet » Forticlient » For MacosVersions from including (>=) 6.2.0 and up to, including, (<=) 6.2.9cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:macos:*:*
- Fortinet » Forticlient » For WindowsVersions from including (>=) 6.2.0 and up to, including, (<=) 6.2.9cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*
- Fortinet » Forticlient » For MacosVersions from including (>=) 6.4.0 and up to, including, (<=) 6.4.6cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:macos:*:*
- cpe:2.3:a:fortinet:forticlient:7.0.0:*:*:*:*:macos:*:*
- cpe:2.3:a:fortinet:forticlient:7.0.0:*:*:*:*:windows:*:*
- cpe:2.3:a:fortinet:forticlient:7.0.0:*:*:*:*:linux:*:*
- cpe:2.3:a:fortinet:forticlient:7.0.1:*:*:*:*:linux:*:*
- cpe:2.3:a:fortinet:forticlient:7.0.1:*:*:*:*:macos:*:*
- cpe:2.3:a:fortinet:forticlient:7.0.1:*:*:*:*:windows:*:*
- Fortinet » Forticlient Endpoint Management ServerVersions from including (>=) 6.2.0 and up to, including, (<=) 6.2.9cpe:2.3:a:fortinet:forticlient_endpoint_management_server:*:*:*:*:*:*:*:*
- Fortinet » Forticlient Endpoint Management ServerVersions from including (>=) 6.4.0 and up to, including, (<=) 6.4.6cpe:2.3:a:fortinet:forticlient_endpoint_management_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:forticlient_endpoint_management_server:7.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:forticlient_endpoint_management_server:7.0.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-41028
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 31 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-41028
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.4
|
MEDIUM | AV:A/AC:M/Au:N/C:P/I:P/A:P |
5.5
|
6.4
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
1.6
|
5.9
|
NIST | |
|
8.2
|
HIGH | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H |
1.6
|
6.0
|
Fortinet, Inc. |
CWE ids for CVE-2021-41028
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
-
The product contains hard-coded credentials, such as a password or cryptographic key.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-41028
-
https://fortiguard.com/advisory/FG-IR-21-075
PSIRT Advisories | FortiGuardVendor Advisory
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