Fortinet FortiClient up to 6.4.3 on Mac Installation symlink

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Fortinet FortiClient up to 6.4.3 on Mac. Affected is an unknown function of the component Installation Handler. Performing a manipulation results in symlink. This vulnerability is reported as CVE-2021-26089. 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 FortiClient up to 6.4.3 on Mac. It has been classified as critical. This affects an unknown code of the component Installation Handler. The manipulation with an unknown input leads to a symlink vulnerability. CWE is classifying the issue as CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 07/12/2021 as FG-IR-21-022. It is possible to read the advisory at fortiguard.com. This vulnerability is uniquely identified as CVE-2021-26089. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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

01/25/2021 🔍
07/12/2021 +167 days 🔍
07/12/2021 +0 days 🔍
07/15/2021 +3 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-21-022
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-26089 (🔍)
GCVE (CVE): GCVE-0-2021-26089
GCVE (VulDB): GCVE-100-178287

Entryinfo

Created: 07/12/2021 20:33
Updated: 07/15/2021 14:19
Changes: 07/12/2021 20:33 (39), 07/15/2021 14:15 (6), 07/15/2021 14:19 (18)
Complete: 🔍
Cache ID: 216::103

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