Fortinet FortiClient up to 6.2.1 on Windows Temporary File Name exposure of resource

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Fortinet FortiClient up to 6.2.1 on Windows. The affected element is an unknown function of the component Temporary File Name Handler. Performing a manipulation as part of File Name results in exposure of resource. This vulnerability is identified as CVE-2020-9291. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability was found in Fortinet FortiClient up to 6.2.1 on Windows. It has been classified as critical. This affects some unknown processing of the component Temporary File Name Handler. The manipulation as part of a File Name leads to a exposure of resource vulnerability. CWE is classifying the issue as CWE-668. The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An Insecure Temporary File vulnerability in FortiClient for Windows 6.2.1 and below may allow a local user to gain elevated privileges via exhausting the pool of temporary file names combined with a symbolic link attack.

The weakness was released 06/01/2020. This vulnerability is uniquely identified as CVE-2020-9291 since 02/19/2020. Attacking locally is a requirement. Required for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 209743 (Fortinet FortiClient (FG-IR-20-040)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (209743). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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: Exposure of resource
CWE: CWE-668 / CWE-200 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209743
Nessus Name: Fortinet FortiClient (FG-IR-20-040)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/19/2020 🔍
06/01/2020 +103 days 🔍
06/02/2020 +1 days 🔍
10/27/2024 +1608 days 🔍

Sourcesinfo

Vendor: fortinet.com

Status: Not defined

CVE: CVE-2020-9291 (🔍)
GCVE (CVE): GCVE-0-2020-9291
GCVE (VulDB): GCVE-100-155931

Entryinfo

Created: 06/02/2020 06:51
Updated: 10/27/2024 03:24
Changes: 06/02/2020 06:51 (37), 06/02/2020 06:56 (17), 10/27/2024 03:24 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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