Fortinet FortiOS/FortiProxy Administrative Interface excessive authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Fortinet FortiOS and FortiProxy. This issue affects some unknown processing of the component Administrative Interface. Performing a manipulation results in excessive authentication. This vulnerability is reported as CVE-2022-43947. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Fortinet FortiOS and FortiProxy (Firewall Software) (the affected version is unknown). It has been classified as problematic. This affects an unknown code of the component Administrative Interface. The manipulation with an unknown input leads to a excessive authentication vulnerability. CWE is classifying the issue as CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. This is going to have an impact on confidentiality. The summary by CVE is:

An improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiOS version 7.2.0 through 7.2.3 and before 7.0.10, FortiProxy version 7.2.0 through 7.2.2 and before 7.0.8 administrative interface allows an attacker with a valid user account to perform brute-force attacks on other user accounts via injecting valid login sessions.

The weakness was disclosed 04/11/2023 as FG-IR-22-444. The advisory is shared at fortiguard.com. This vulnerability is uniquely identified as CVE-2022-43947 since 10/27/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1110.001 for this issue.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 5.0
CNA Vector (Fortinet, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Excessive authentication
CWE: CWE-307 / CWE-799 / CWE-400
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2022 🔍
04/11/2023 +166 days 🔍
04/11/2023 +0 days 🔍
04/28/2023 +17 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-22-444
Status: Confirmed

CVE: CVE-2022-43947 (🔍)
GCVE (CVE): GCVE-0-2022-43947
GCVE (VulDB): GCVE-100-225537

Entryinfo

Created: 04/11/2023 19:58
Updated: 04/28/2023 09:46
Changes: 04/11/2023 19:58 (50), 04/28/2023 09:46 (11)
Complete: 🔍
Cache ID: 216::103

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