Fortinet FortiOS up to 6.0.4 SSL VPN Web Portal HTTP Requests Password improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Fortinet FortiOS. This impacts an unknown function of the component SSL VPN Web Portal. The manipulation as part of HTTP Requests results in improper authorization (Password). This vulnerability is identified as CVE-2018-13382. The attack can be executed remotely. Additionally, an exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Fortinet FortiOS (Firewall Software). Affected is an unknown part of the component SSL VPN Web Portal. The manipulation as part of a HTTP Requests leads to a improper authorization vulnerability (Password). CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An Improper Authorization vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.8 and 5.4.1 to 5.4.10 under SSL VPN web portal allows an unauthenticated attacker to modify the password of an SSL VPN web portal user via specially crafted HTTP requests.

The weakness was released 05/24/2019 as FG-IR-18-389 as confirmed advisory (Website). The advisory is shared for download at fortiguard.com. This vulnerability is traded as CVE-2018-13382 since 07/06/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1548.002.

The exploit is shared for download at exploit-db.com. It is declared as attacked. This issue was added on 01/10/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 07/10/2022:

Apply updates per vendor instructions.

Upgrading to version 5.4.11, 5.6.9, 6.0.5 or 6.2.0 eliminates this vulnerability. It is possible to mitigate the problem by applying the configuration setting config vpn ssl settings; unset source-interface; end. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (49074). Entries connected to this vulnerability are available at VDB-135937, VDB-135935, VDB-135934 and VDB-135933. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 9.1
CNA Vector (Fortinet, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Password
Class: Improper authorization / Password
CWE: CWE-285 / CWE-266
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: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: FortiOS 5.4.11/5.6.9/6.0.5/6.2.0
Config: config vpn ssl settings; unset source-interface; end

Timelineinfo

07/06/2018 🔍
05/24/2019 +322 days 🔍
05/24/2019 +0 days 🔍
06/05/2019 +12 days 🔍
09/09/2024 +1923 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-18-389
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-13382 (🔍)
GCVE (CVE): GCVE-0-2018-13382
GCVE (VulDB): GCVE-100-135936
SecurityFocus: 108697

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/05/2019 07:17
Updated: 09/09/2024 22:29
Changes: 06/05/2019 07:17 (65), 06/19/2020 10:11 (1), 09/26/2023 23:52 (15), 04/22/2024 13:09 (25), 07/24/2024 22:19 (1), 09/01/2024 08:00 (3), 09/09/2024 22:29 (1)
Complete: 🔍
Cache ID: 216::103

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

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