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

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CVE-2021-41030

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
08/12/2021
Last modified:
10/12/2021

Description

An authentication bypass by capture-replay vulnerability [CWE-294] in FortiClient EMS versions 7.0.1 and below and 6.4.4 and below may allow an unauthenticated attacker to impersonate an existing user by intercepting and re-using valid SAML authentication messages.

Impact

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

Base Score: 9.10 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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

Base Score 3.x
9.10
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 6.40 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N

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

Base Score 2.0
6.40
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:fortinet:forticlient_enterprise_management_server:*:*:*:*:*:*:*:* 6.2.0 (including) 6.2.9 (including)
cpe:2.3:a:fortinet:forticlient_enterprise_management_server:*:*:*:*:*:*:*:* 6.4.0 (including) 6.4.4 (including)
cpe:2.3:a:fortinet:forticlient_enterprise_management_server:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:forticlient_enterprise_management_server:7.0.1:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools