CVE-2021-33822
Quick assessment
Affected
n/a n/a
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.
4GEE ROUTER HH70VB是一款路由器。 4GEE ROUTER HH70VB 版本的 HH70_E1_02.00_22 上存在资源管理错误漏洞，攻击者可利用该漏洞使用slowhttptest工具发送不完整的HTTP请求，这可能会使服务器一直等待数据包完成连接，直到其资源耗尽，导致web服务器被拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-33822
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered on 4GEE ROUTER HH70VB Version HH70_E1_02.00_22. Attackers can use slowhttptest tool to send incomplete HTTP request, which could make server keep waiting for the packet to finish the connection, until its resource exhausted. Then the web server is denial-of-service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
4GEE ROUTER HH70VB 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
4GEE ROUTER HH70VB是一款路由器。 4GEE ROUTER HH70VB 版本的 HH70_E1_02.00_22 上存在资源管理错误漏洞，攻击者可利用该漏洞使用slowhttptest工具发送不完整的HTTP请求，这可能会使服务器一直等待数据包完成连接，直到其资源耗尽，导致web服务器被拒绝服务。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-33822
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-33822 (2)
-
https://github.com/shekyan/slowhttptest x_refsource_MISC
Same Patch Batch · n/a · 2021-06-18 · 23 CVEs total
| CVE-2021-33818 | Ubiquiti Networks UniFi Protect 资源管理错误漏洞 | |
| CVE-2021-31660 | RIOT RIOT-OS 缓冲区错误漏洞 | |
| CVE-2021-31272 | SerenityOS 路径遍历漏洞 | |
| CVE-2021-31661 | RIOT RIOT-OS 缓冲区错误漏洞 | |
| CVE-2021-31662 | RIOT RIOT-OS 缓冲区错误漏洞 | |
| CVE-2021-31663 | RIOT RIOT-OS 缓冲区错误漏洞 | |
| CVE-2021-31664 | RIOT RIOT-OS 缓冲区错误漏洞 | |
| CVE-2021-33185 | SerenityOS 缓冲区错误漏洞 | |
| CVE-2021-33186 | SerenityOS 缓冲区错误漏洞 | |
| CVE-2021-33824 | MOXA MGate MB3180 资源管理错误漏洞 | |
| CVE-2021-33823 | MOXA Mgate MB3180 资源管理错误漏洞 | |
| CVE-2021-33347 | JPress 跨站脚本漏洞 | |
| CVE-2021-33820 | Ubiquiti Networks UniFi Protect 资源管理错误漏洞 | |
| CVE-2020-18442 | zziplib 安全漏洞 | |
| CVE-2021-32954 | Advantech WebAccess/SCADA 路径遍历漏洞 | |
| CVE-2021-32956 | Advantech WebAccess/SCADA 输入验证错误漏洞 | |
| CVE-2021-21997 | VMware Tools for Windows 输入验证错误漏洞 | |
| CVE-2021-26835 | Zettlr 跨站脚本漏洞 | |
| CVE-2021-26834 | Znote 跨站脚本漏洞 | |
| CVE-2021-34815 | CheckSec Canopy 跨站脚本漏洞 |
Showing top 20 of 23 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-33822
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