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CVE-2021-20784

Quick assessment

Affected
voidtools Everything
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.

Voidtools Everything是一个个人开发的免费Windows桌面搜索引擎，可以在NTFS卷上快速地根据名称查找文件和目录。 Voidtools Everything 存在安全漏洞，该漏洞源于HTTP服务器包含一个HTTP头注入问题。远程攻击者可利用该漏洞可以执行任意脚本或更改显示的页面。以下产品和版本会受到影响:所有产品:1.4.1.1009

AI Predicted 6.1 Difficulty: Moderate EPSS 1.12% · P66

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-20784

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
HTTP header injection vulnerability in Everything version 1.0, 1.1, and 1.2 except the Lite version may allow a remote attacker to inject an arbitrary script or alter the website that uses the product.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对HTTP头部进行脚本语法转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Voidtools Everything 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Voidtools Everything是一个个人开发的免费Windows桌面搜索引擎，可以在NTFS卷上快速地根据名称查找文件和目录。 Voidtools Everything 存在安全漏洞，该漏洞源于HTTP服务器包含一个HTTP头注入问题。远程攻击者可利用该漏洞可以执行任意脚本或更改显示的页面。以下产品和版本会受到影响:所有产品:1.4.1.1009
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
voidtools Everything all versions of 1.0 (Everything 1.0 series) except the Lite version -
voidtools Everything all versions of 1.1 (Everything 1.1 series) except the Lite version -
voidtools Everything all versions of 1.2 (Everything 1.2 series) except the Lite version -

II. Public POCs for CVE-2021-20784

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20784

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Vendor Advisories for CVE-2021-20784 (2)

Other References for CVE-2021-20784 (1)

IV. Related Vulnerabilities

Same product: Everything
Same vendor: voidtools
Same weakness: CWE-644