CVE-2021-24012
Quick assessment
Affected
Fortinet Fortinet FortiOS
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 FortiGate是美国飞塔（Fortinet）公司的一套网络安全平台。该平台提供防火墙、防病毒和入侵防御（IPS）、应用控制、反垃圾邮件、无线控制器和广域网加速等功能。 FortiGate存在信任管理问题漏洞，该漏洞源于在连接到 SSL-VPN 时对用户证书的信任链的验证不当。拥有受信任证书管理局签署的任何证书的远程 LDAP 用户可以连接到 VPN 服务器。攻击者可利用默认密码或者硬编码密码、硬编码证书等攻击受影响组件。以下产品及版本受到影响：FortiGate: 6.4.0, 6.
Possible ATT&CK Techniques 2 AI
T1621 · Multi-Factor Authentication Request Generation T1078 · Valid Accounts
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I. Basic Information for CVE-2021-24012
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An improper following of a certificate's chain of trust vulnerability in FortiGate versions 6.4.0 to 6.4.4 may allow an LDAP user to connect to SSLVPN with any certificate that is signed by a trusted Certificate Authority.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
FortiGate 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiGate是美国飞塔（Fortinet）公司的一套网络安全平台。该平台提供防火墙、防病毒和入侵防御（IPS）、应用控制、反垃圾邮件、无线控制器和广域网加速等功能。 FortiGate存在信任管理问题漏洞，该漏洞源于在连接到 SSL-VPN 时对用户证书的信任链的验证不当。拥有受信任证书管理局签署的任何证书的远程 LDAP 用户可以连接到 VPN 服务器。攻击者可利用默认密码或者硬编码密码、硬编码证书等攻击受影响组件。以下产品及版本受到影响：FortiGate: 6.4.0, 6.
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 FortiOS | FortiOS 6.4.0 to 6.4.4 | - |
|
II. Public POCs for CVE-2021-24012
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-24012 (1)
-
https://fortiguard.com/advisory/FG-IR-21-018 x_refsource_CONFIRM
IV. Related Vulnerabilities
V. Comments for CVE-2021-24012
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