Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-41028

Severity CVSS v4.0:
Pending analysis
Type:
CWE-295 Improper Certificate Validation
Publication date:
16/12/2021
Last modified:
04/01/2022

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.

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:A/AC:M/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: AV:A/AC:M/Au:N/C:P/I:P/A:P

Attack Vector (AV): Adjacent
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
5.40
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:macos:*:* 6.0.0 (including) 6.0.9 (including)
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:* 6.0.0 (including) 6.0.9 (including)
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:* 6.2.0 (including) 6.2.9 (including)
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:macos:*:* 6.2.0 (including) 6.2.9 (including)
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:* 6.2.0 (including) 6.2.9 (including)
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:* 6.4.0 (including) 6.4.6 (including)
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:macos:*:* 6.4.0 (including) 6.4.6 (including)
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:* 6.4.0 (including) 6.4.6 (including)
cpe:2.3:a:fortinet:forticlient:7.0.0:*:*:*:*:linux:*:*
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:7.0.1:*:*:*:*:linux:*:*
cpe:2.3:a:fortinet:forticlient:7.0.1:*:*:*:*:macos:*:*
cpe:2.3:a:fortinet:forticlient:7.0.1:*:*:*:*:windows:*:*
cpe:2.3:a:fortinet:forticlient_endpoint_management_server:*:*:*:*:*:*:*:* 6.2.0 (including) 6.2.9 (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools