CVE-2021-43066
Quick assessment
Affected
Fortinet Fortinet FortiClientWindows
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Fortinet FortiClient是美国飞塔（Fortinet）公司的一套移动终端安全解决方案。该方案与FortiGate防火墙设备连接时可提供IPsec和SSL加密、广域网优化、终端合规和双因子认证等功能。 Fortinet FortiClient 6.0.0 - 7.0.2 版本存在安全漏洞，该漏洞源于应用程序允许攻击者控制文件的路径。攻击者利用此漏洞可以通过 MSI 安装程序删除或执行具有管理员权限的文件。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-43066
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A external control of file name or path in Fortinet FortiClientWindows version 7.0.2 and below, version 6.4.6 and below, version 6.2.9 and below, version 6.0.10 and below allows attacker to escalate privilege via the MSI installer.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet FortiClient 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiClient是美国飞塔（Fortinet）公司的一套移动终端安全解决方案。该方案与FortiGate防火墙设备连接时可提供IPsec和SSL加密、广域网优化、终端合规和双因子认证等功能。 Fortinet FortiClient 6.0.0 - 7.0.2 版本存在安全漏洞，该漏洞源于应用程序允许攻击者控制文件的路径。攻击者利用此漏洞可以通过 MSI 安装程序删除或执行具有管理员权限的文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Fortinet | Fortinet FortiClientWindows | FortiClientWindows 7.0.2 7.0.1, 7.0.0, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.0.10, 6.0.9, 6.0.8, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0 | - |
|
II. Public POCs for CVE-2021-43066
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-43066 (1)
-
https://fortiguard.com/advisory/FG-IR-21-154 x_refsource_CONFIRM
Same Patch Batch · Fortinet · 2022-05-11 · 4 CVEs total
| CVE-2022-26116 | 7.2 HIGH | Fortinet FortiNAC SQL注入漏洞 |
| CVE-2021-44167 | 6.8 MEDIUM | Fortinet FortiClient 安全漏洞 |
| CVE-2021-43081 | 6.1 MEDIUM | Fortinet FortiProxy SSL VPN跨站脚本漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-43066
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