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CVE-2021-33318

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.

WatsonWebserver是美国Joel Christner个人开发者的一个简单，可扩展，快速，异步的 Web 服务器。用于处理用 C编写的 RESTful HTTP / HTTPS 请求。 WatsonWebserver 4.1.3版本及之前版本、IpMatcher 1.0.4.1版本及之前版本存在代码问题漏洞，该漏洞源于没有根据IP地址和子网的内部匹配器列表对输入IP地址和网络掩码进行充分验证。

AI Predicted 7.5 Difficulty: Moderate EPSS 2.02% · P80

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-33318

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An Input Validation Vulnerability exists in Joel Christner .NET C# packages WatsonWebserver, IpMatcher 1.0.4.1 and below (IpMatcher) and 4.1.3 and below (WatsonWebserver) due to insufficient validation of input IP addresses and netmasks against the internal Matcher list of IP addresses and subnets.
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
WatsonWebserver 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WatsonWebserver是美国Joel Christner个人开发者的一个简单，可扩展，快速，异步的 Web 服务器。用于处理用 C# 编写的 RESTful HTTP / HTTPS 请求。 WatsonWebserver 4.1.3版本及之前版本、IpMatcher 1.0.4.1版本及之前版本存在代码问题漏洞，该漏洞源于没有根据IP地址和子网的内部匹配器列表对输入IP地址和网络掩码进行充分验证。
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-2021-33318

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-33318

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Patches & Fixes for CVE-2021-33318 (1)

Other References for CVE-2021-33318 (3)

Same Patch Batch · n/a · 2022-05-16 · 43 CVEs total

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CVE-2022-23665 Aruba ClearPass Policy Manager 操作系统命令注入漏洞
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CVE-2022-1731 Allgeier Inovar Metasonic Doc WebClient SQL注入漏洞
CVE-2022-30055 Mersenne Research Prime95 安全漏洞
CVE-2022-30050 GNUBOARD5 跨站脚本漏洞
CVE-2021-42870 ACCEL-PPP 缓冲区错误漏洞
CVE-2022-30777 Parallels H-Sphere 跨站脚本漏洞
CVE-2022-30776 Atmail 跨站脚本漏洞
CVE-2021-42897 FeMiner wms 操作系统命令注入漏洞

Showing top 20 of 43 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-33318

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