VDB-111939 · CVE-2016-8493 · BID 101682

Fortinet FortiClient 5.4.1/5.4.2 on Windows FortiClientNamedPipe access control

CVSS Meta Temp Score
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Fortinet FortiClient 5.4.1/5.4.2 on Windows. This vulnerability affects unknown code of the component FortiClientNamedPipe Handler. Performing a manipulation results in access control. This vulnerability is cataloged as CVE-2016-8493. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Fortinet FortiClient 5.4.1/5.4.2 on Windows. It has been classified as critical. This affects some unknown functionality of the component FortiClientNamedPipe Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In FortiClientWindows 5.4.1 and 5.4.2, an attacker may escalate privilege via a FortiClientNamedPipe vulnerability.

The bug was discovered 10/31/2017. The weakness was shared 06/26/2017 with Tencent (Website). It is possible to read the advisory at fortiguard.com. This vulnerability is uniquely identified as CVE-2016-8493 since 10/07/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. A authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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 SecurityFocus (BID 101682†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: Access control
CWE: CWE-264
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: no mitigation known
Status: 🔍

Timelineinfo

10/07/2016 🔍
06/26/2017 +261 days 🔍
06/26/2017 +0 days 🔍
10/31/2017 +127 days 🔍
11/07/2017 +7 days 🔍
01/18/2018 +72 days 🔍
05/12/2022 +1575 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: fortiguard.com
Researcher: Zhipeng Huo
Organization: Tencent
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-8493 (🔍)
GCVE (CVE): GCVE-0-2016-8493
GCVE (VulDB): GCVE-100-111939
SecurityFocus: 101682 - Fortinet FortiClient CVE-2016-8493 Privilege Escalation Vulnerability

Entryinfo

Created: 01/18/2018 08:05
Updated: 05/12/2022 12:28
Changes: 01/18/2018 08:05 (56), 12/23/2019 20:18 (5), 01/30/2021 08:57 (2), 05/12/2022 12:28 (3)
Complete: 🔍
Cache ID: 216::103

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

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