CVE-2021-36171
Quick assessment
Affected
Fortinet Fortinet FortiPortal
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 FortiPortal是美国飞塔（Fortinet）公司的FortiGate、FortiWiFi 和 FortiAP 产品线的高级、功能丰富的托管安全分析和管理支持工具，可作为虚拟机供 MSP 使用。 Fortinet FortiPortal 6.0.6 之前版本存在安全特征问题漏洞，该漏洞源于FortiPortal 的密码重置功能中使用弱伪随机数生成器，允许未经身份验证的远程攻击者在给定时间范围内预测部分或全部新生成的密码。
Possible ATT&CK Techniques 1 AI
T1621 · Multi-Factor Authentication Request Generation
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I. Basic Information for CVE-2021-36171
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The use of a cryptographically weak pseudo-random number generator in the password reset feature of FortiPortal before 6.0.6 may allow a remote unauthenticated attacker to predict parts of or the whole newly generated password within a given time frame.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Fortinet FortiPortal 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiPortal是美国飞塔（Fortinet）公司的FortiGate、FortiWiFi 和 FortiAP 产品线的高级、功能丰富的托管安全分析和管理支持工具，可作为虚拟机供 MSP 使用。 Fortinet FortiPortal 6.0.6 之前版本存在安全特征问题漏洞，该漏洞源于FortiPortal 的密码重置功能中使用弱伪随机数生成器，允许未经身份验证的远程攻击者在给定时间范围内预测部分或全部新生成的密码。
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 FortiPortal | FortiPortal before 6.0.6 | - |
|
II. Public POCs for CVE-2021-36171
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-36171 (1)
-
https://fortiguard.com/psirt/FG-IR-21-099 x_refsource_CONFIRM
Same Patch Batch · Fortinet · 2022-03-01 · 7 CVEs total
| CVE-2021-36166 | 9.8 CRITICAL | Fortinet FortiMail 安全特征问题漏洞 |
| CVE-2021-43077 | 8.8 HIGH | Fortinet FortiWLM SQL注入漏洞 |
| CVE-2021-43075 | 8.8 HIGH | Fortinet FortiWLM 操作系统命令注入漏洞 |
| CVE-2021-32586 | 7.7 HIGH | Fortinet FortiMail 输入验证错误漏洞 |
| CVE-2022-22300 | 4.3 MEDIUM | Fortinet FortiAnalyzer 权限许可和访问控制问题漏洞 |
| CVE-2020-15936 | 2.6 LOW | Fortinet FortiGate 输入验证错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-36171
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