CVE-2021-41028

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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.

Una combinación de una vulnerabilidad de clave criptográfica embebida [CWE-321] en FortiClientEMS versiones 7.0.1 y anteriores, versiones 6.4.6 y anteriores, y una vulnerabilidad de comprobación de certificado inapropiado [CWE-297] en FortiClientWindows, FortiClientLinux y FortiClientMac versiones 7. 0.1 y anteriores, versiones 6.4.6 y anteriores, pueden permitir a un atacante no autenticado y adyacente a la red llevar a cabo un ataque de tipo man-in-the-middle entre el EMS y el FCT por medio del protocolo de telemetría

*Credits: N/A

CVSS Scores

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

High

Availability

High

Attack Vector

Adjacent

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2021-09-13 CVE Reserved
2021-12-16 CVE Published
2024-08-31 EPSS Updated
2024-10-25 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-295: Improper Certificate Validation
CWE-798: Use of Hard-coded Credentials

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://fortiguard.com/advisory/FG-IR-21-075	2022-01-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				>= 6.0.0 <= 6.0.9 Search vendor "Fortinet" for product "Forticlient" and version " >= 6.0.0 <= 6.0.9"		macos		Affected
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				>= 6.0.0 <= 6.0.9 Search vendor "Fortinet" for product "Forticlient" and version " >= 6.0.0 <= 6.0.9"		windows		Affected
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				>= 6.2.0 <= 6.2.9 Search vendor "Fortinet" for product "Forticlient" and version " >= 6.2.0 <= 6.2.9"		linux		Affected
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				>= 6.2.0 <= 6.2.9 Search vendor "Fortinet" for product "Forticlient" and version " >= 6.2.0 <= 6.2.9"		macos		Affected
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				>= 6.2.0 <= 6.2.9 Search vendor "Fortinet" for product "Forticlient" and version " >= 6.2.0 <= 6.2.9"		windows		Affected
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				>= 6.4.0 <= 6.4.6 Search vendor "Fortinet" for product "Forticlient" and version " >= 6.4.0 <= 6.4.6"		linux		Affected
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				>= 6.4.0 <= 6.4.6 Search vendor "Fortinet" for product "Forticlient" and version " >= 6.4.0 <= 6.4.6"		macos		Affected
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				>= 6.4.0 <= 6.4.6 Search vendor "Fortinet" for product "Forticlient" and version " >= 6.4.0 <= 6.4.6"		windows		Affected
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				7.0.0 Search vendor "Fortinet" for product "Forticlient" and version "7.0.0"		linux		Affected
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				7.0.0 Search vendor "Fortinet" for product "Forticlient" and version "7.0.0"		macos		Affected
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				7.0.0 Search vendor "Fortinet" for product "Forticlient" and version "7.0.0"		windows		Affected
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				7.0.1 Search vendor "Fortinet" for product "Forticlient" and version "7.0.1"		linux		Affected
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				7.0.1 Search vendor "Fortinet" for product "Forticlient" and version "7.0.1"		macos		Affected
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				7.0.1 Search vendor "Fortinet" for product "Forticlient" and version "7.0.1"		windows		Affected
Fortinet Search vendor "Fortinet"		Forticlient Endpoint Management Server Search vendor "Fortinet" for product "Forticlient Endpoint Management Server"				>= 6.2.0 <= 6.2.9 Search vendor "Fortinet" for product "Forticlient Endpoint Management Server" and version " >= 6.2.0 <= 6.2.9"		-		Affected
Fortinet Search vendor "Fortinet"		Forticlient Endpoint Management Server Search vendor "Fortinet" for product "Forticlient Endpoint Management Server"				>= 6.4.0 <= 6.4.6 Search vendor "Fortinet" for product "Forticlient Endpoint Management Server" and version " >= 6.4.0 <= 6.4.6"		-		Affected
Fortinet Search vendor "Fortinet"		Forticlient Endpoint Management Server Search vendor "Fortinet" for product "Forticlient Endpoint Management Server"				7.0.0 Search vendor "Fortinet" for product "Forticlient Endpoint Management Server" and version "7.0.0"		-		Affected
Fortinet Search vendor "Fortinet"		Forticlient Endpoint Management Server Search vendor "Fortinet" for product "Forticlient Endpoint Management Server"				7.0.1 Search vendor "Fortinet" for product "Forticlient Endpoint Management Server" and version "7.0.1"		-		Affected