CVE-2021-43074

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

16/02/2023

Last modified:

07/11/2023

Description

An improper verification of cryptographic signature vulnerability [CWE-347] in FortiWeb 6.4 all versions, 6.3.16 and below, 6.2 all versions, 6.1 all versions, 6.0 all versions; FortiOS 7.0.3 and below, 6.4.8 and below, 6.2 all versions, 6.0 all versions; FortiSwitch 7.0.3 and below, 6.4.10 and below, 6.2 all versions, 6.0 all versions; FortiProxy 7.0.1 and below, 2.0.7 and below, 1.2 all versions, 1.1 all versions, 1.0 all versions may allow an attacker to decrypt portions of the administrative session management cookie if able to intercept the latter.

Impact

Vector 3.x

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

Base Score: 4.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

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

Base Score 3.x

4.30

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:fortinet:fortiproxy::::::::	1.0.0 (including)	2.0.8 (excluding)
cpe:2.3:a:fortinet:fortiproxy::::::::	7.0.0 (including)	7.0.2 (excluding)
cpe:2.3:a:fortinet:fortiweb::::::::	6.0.0 (including)	6.3.17 (excluding)
cpe:2.3:a:fortinet:fortiweb::::::::	6.4.0 (including)	7.0.0 (excluding)
cpe:2.3:o:fortinet:fortios::::::::	6.0.0 (including)	6.4.9 (excluding)
cpe:2.3:o:fortinet:fortios::::::::	7.0.0 (including)	7.0.4 (excluding)
cpe:2.3:o:fortinet:fortiswitch::::::::	6.0.0 (including)	6.4.11 (excluding)
cpe:2.3:o:fortinet:fortiswitch::::::::	7.0.0 (including)	7.0.4 (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-21-126