CVE-2021-36171

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

01/03/2022

Last modified:

09/03/2022

Description

The use of a cryptographically weak pseudo-random number generator in the password reset feature of FortiPortal before 6.0.6 may allow a remote unauthenticated attacker to predict parts of or the whole newly generated password within a given time frame.

Impact

Vector 3.x

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

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
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

8.10

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:M/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

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

Base Score 2.0

6.80

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:fortinet:fortiportal::::::::		4.0.4 (including)
cpe:2.3:a:fortinet:fortiportal::::::::	4.1.0 (including)	4.1.2 (including)
cpe:2.3:a:fortinet:fortiportal::::::::	4.2.0 (including)	4.2.4 (including)
cpe:2.3:a:fortinet:fortiportal::::::::	5.0.0 (including)	5.0.3 (including)
cpe:2.3:a:fortinet:fortiportal::::::::	5.1.0 (including)	5.1.2 (including)
cpe:2.3:a:fortinet:fortiportal::::::::	5.2.0 (including)	5.2.7 (excluding)
cpe:2.3:a:fortinet:fortiportal::::::::	5.3.0 (including)	5.3.7 (excluding)
cpe:2.3:a:fortinet:fortiportal::::::::	6.0.0 (including)	6.0.6 (excluding)

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

References to Advisories, Solutions, and Tools

https://fortiguard.com/psirt/FG-IR-21-099