VDB-210272 · CVE-2022-40684 · FG-IR-22-377

Fortinet FortiOS/FortiProxy Administrative Interface authentication bypass

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Fortinet FortiOS and FortiProxy. It has been declared as very critical. The impacted element is an unknown function of the component Administrative Interface. Such manipulation leads to authentication bypass. This vulnerability is uniquely identified as CVE-2022-40684. The attack can be launched remotely. Moreover, an exploit is present. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Fortinet FortiOS and FortiProxy (Firewall Software) (version now known) and classified as very critical. Affected by this issue is some unknown processing of the component Administrative Interface. The manipulation with an unknown input leads to a authentication bypass vulnerability. Using CWE to declare the problem leads to CWE-288. A product requires authentication, but the product has an alternate path or channel that does not require authentication. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 10/07/2022 as FG-IR-22-377. The advisory is shared for download at twitter.com. This vulnerability is handled as CVE-2022-40684. Technical details are unknown but a public exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/25/2024).

The exploit is available at exploit-db.com. It is declared as attacked. As 0-day the estimated underground price was around $25k-$100k. This issue was added on 10/11/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 11/01/2022:

Apply updates per vendor instructions.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (51092). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Firewall Software

Vendor

Fortinet

Name

License

commercial

Website

Vendor: https://www.fortinet.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Fortinet): 9.8
Vendor Vector (Fortinet): 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector (Fortinet, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Authentication bypass
CWE: CWE-288 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Workaround: community.fortinet.com

Timelineinfo

10/07/2022 🔍
10/07/2022 +0 days 🔍
09/25/2024 +719 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-22-377
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-40684 (🔍)
GCVE (CVE): GCVE-0-2022-40684
GCVE (VulDB): GCVE-100-210272
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/07/2022 18:00
Updated: 09/25/2024 23:57
Changes: 10/07/2022 18:00 (37), 10/07/2022 21:55 (1), 10/18/2022 19:01 (15), 10/31/2022 08:12 (11), 10/31/2022 08:13 (1), 04/27/2024 18:49 (27), 06/29/2024 03:08 (10), 09/25/2024 12:29 (1), 09/25/2024 23:57 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.