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Fortinet Fortigate - Existing websocket connection persists after deleting API admin (FG-IR-23-028)

critical Nessus Plugin ID 178143

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Synopsis

Fortinet Firewall is missing one or more security-related updates.

Description

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-23-028 advisory.

 - An insufficient session expiration [CWE-613] vulnerability in FortiOS REST API may allow an attacker to reuse the session of a deleted user, should the attacker manage to obtain the API token. (CVE-2023-28001)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Please upgrade to FortiOS version 7.4.0 or above Please upgrade to FortiOS version 7.2.5 or above

See Also

https://www.fortiguard.com/psirt/FG-IR-23-028

Plugin Details

Severity: Critical

ID: 178143

File Name: fortigate_FG-IR-23-028.nasl

Version: 1.5

Type: local

Family: Firewalls

Published: 7/11/2023

Updated: 9/15/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2023-28001

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fortinet:fortios

Required KB Items: Host/Fortigate/model, Host/Fortigate/version

Exploit Ease: No known exploits are available

Patch Publication Date: 7/11/2023

Vulnerability Publication Date: 7/11/2023

Reference Information

CVE: CVE-2023-28001

IAVA: 2023-A-0353-S