Fortinet FortiWan up to 4.5.8 Dynamic Tunnel Protocol risky encryption

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 (≈)
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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.
6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Fortinet FortiWan up to 4.5.8. This vulnerability affects unknown code of the component Dynamic Tunnel Protocol Handler. The manipulation results in risky encryption. This vulnerability is cataloged as CVE-2021-32593. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Fortinet FortiWan up to 4.5.8. It has been classified as critical. Affected is an unknown part of the component Dynamic Tunnel Protocol Handler. The manipulation with an unknown input leads to a risky encryption vulnerability. CWE is classifying the issue as CWE-327. The product uses a broken or risky cryptographic algorithm or protocol. This is going to have an impact on confidentiality, and integrity.

The weakness was shared 04/06/2022 as FG-IR-21-070. The advisory is shared for download at fortiguard.com. This vulnerability is traded as CVE-2021-32593 since 05/11/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.

Upgrading to version 4.5.9 eliminates this vulnerability.

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

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
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: Risky encryption
CWE: CWE-327 / CWE-310
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: 🔍

Upgrade: FortiWan 4.5.9

Timelineinfo

05/11/2021 🔍
04/06/2022 +330 days 🔍
04/06/2022 +0 days 🔍
04/08/2022 +2 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-21-070
Status: Confirmed

CVE: CVE-2021-32593 (🔍)
GCVE (CVE): GCVE-0-2021-32593
GCVE (VulDB): GCVE-100-196584

Entryinfo

Created: 04/06/2022 15:11
Updated: 04/08/2022 14:19
Changes: 04/06/2022 15:11 (40), 04/08/2022 14:17 (11), 04/08/2022 14:19 (1)
Complete: 🔍
Cache ID: 216::103

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