Fortinet FortiClient up to 6.2.8/6.4.2 on Linux input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Fortinet FortiClient up to 6.2.8/6.4.2 on Linux. Impacted is an unknown function. This manipulation causes input validation. This vulnerability is tracked as CVE-2021-22127. The attack is only possible within the local network. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Fortinet FortiClient up to 6.2.8/6.4.2 on Linux. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 04/06/2022 as FG-IR-20-241. The advisory is shared at fortiguard.com. This vulnerability is known as CVE-2021-22127 since 01/04/2021. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading to version 6.2.9 or 6.4.3 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.1
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.1
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: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: FortiClient 6.2.9/6.4.3

Timelineinfo

01/04/2021 🔍
04/06/2022 +456 days 🔍
04/06/2022 +0 days 🔍
04/08/2022 +2 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-20-241
Status: Confirmed

CVE: CVE-2021-22127 (🔍)
GCVE (CVE): GCVE-0-2021-22127
GCVE (VulDB): GCVE-100-196597

Entryinfo

Created: 04/06/2022 20:49
Updated: 04/08/2022 15:31
Changes: 04/06/2022 20:49 (50), 04/08/2022 15:31 (1)
Complete: 🔍
Cache ID: 216::103

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