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

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CVE-2021-22127

Severity CVSS v4.0:
Pending analysis
Type:
CWE-78 OS Command Injections
Publication date:
06/04/2022
Last modified:
13/04/2022

Description

An improper input validation vulnerability in FortiClient for Linux 6.4.x before 6.4.3, FortiClient for Linux 6.2.x before 6.2.9 may allow an unauthenticated attacker to execute arbitrary code on the host operating system as root via tricking the user into connecting to a network with a malicious name.

Impact

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

Base Score: 8.00 HIGH
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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

Base Score 3.x
8.00
Severity 3.x
HIGH
Vector 2.0
AV:A/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.90 HIGH
Vector: AV:A/AC:M/Au:N/C:C/I:C/A:C

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

Base Score 2.0
7.90
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:* 6.2.9 (excluding)
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:* 6.4.0 (including) 6.4.3 (excluding)

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


References to Advisories, Solutions, and Tools