CVE-2021-36194
Quick assessment
Affected
Fortinet Fortinet FortiWeb
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 FortiWeb是美国飞塔（Fortinet）公司的一款Web应用层防火墙，它能够阻断如跨站点脚本、SQL注入、Cookie中毒、schema中毒等攻击的威胁，保证Web应用程序的安全性并保护敏感的数据库内容。 Fortinet FortiWeb 存在缓冲区错误漏洞，该漏洞源于FortiWeb 的 API 控制器中的多个基于堆栈的缓冲区溢出 [CWE-121] 可能允许经过身份验证的攻击者通过特制请求实现任意代码执行。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-36194
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple stack-based buffer overflows in the API controllers of FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15 may allow an authenticated attacker to achieve arbitrary code execution via specially crafted requests.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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 FortiWeb 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiWeb是美国飞塔（Fortinet）公司的一款Web应用层防火墙，它能够阻断如跨站点脚本、SQL注入、Cookie中毒、schema中毒等攻击的威胁，保证Web应用程序的安全性并保护敏感的数据库内容。 Fortinet FortiWeb 存在缓冲区错误漏洞，该漏洞源于FortiWeb 的 API 控制器中的多个基于堆栈的缓冲区溢出 [CWE-121] 可能允许经过身份验证的攻击者通过特制请求实现任意代码执行。
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 FortiWeb | FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15 | - |
|
II. Public POCs for CVE-2021-36194
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Fortinet · 2021-12-09 · 8 CVEs total
| CVE-2021-43071 | 8.8 HIGH | Fortinet FortiWeb 缓冲区错误漏洞 |
| CVE-2021-43065 | 7.8 HIGH | Fortinet FortiNAC 安全漏洞 |
| CVE-2021-36189 | 6.8 MEDIUM | Fortinet FortiClientEms 信息泄露漏洞 |
| CVE-2021-42759 | 6.7 MEDIUM | Fortinet Meru AP 操作系统命令注入漏洞 |
| CVE-2021-43068 | 5.4 MEDIUM | Fortinet FortiAuthenticator 授权问题漏洞 |
| CVE-2021-43204 | 4.4 MEDIUM | Fortinet FortiClient 安全漏洞 |
| CVE-2021-36167 | 4.3 MEDIUM | Fortinet FortiClient 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-36194
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