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CVE-2021-4433— Karjasoft Sami HTTP Server HTTP HEAD Rrequest denial of service

Quick assessment

Affected
Karjasoft Sami HTTP Server
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.

Karjasoft Sami HTTP Server是Karjasoft公司的一个易于配置的 Web 服务器。 Karjasoft Sami HTTP Server 2.0版本存在安全漏洞。攻击者利用该漏洞导致系统拒绝服务。

CVSS 5.3 · Medium EPSS 1.26% · P68

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-4433

Vulnerability Information
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Vulnerability Title
Karjasoft Sami HTTP Server HTTP HEAD Rrequest denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Karjasoft Sami HTTP Server 2.0. It has been classified as problematic. Affected is an unknown function of the component HTTP HEAD Rrequest Handler. The manipulation leads to denial of service. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-250836.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
Source: CVE Program / CVE List V5
Vulnerability Title
Karjasoft Sami HTTP Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Karjasoft Sami HTTP Server是Karjasoft公司的一个易于配置的 Web 服务器。 Karjasoft Sami HTTP Server 2.0版本存在安全漏洞。攻击者利用该漏洞导致系统拒绝服务。
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
Karjasoft Sami HTTP Server 2.0 -

II. Public POCs for CVE-2021-4433

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III. Intelligence Information for CVE-2021-4433

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Vendor Advisories for CVE-2021-4433 (1)

Exploits & Public PoCs for CVE-2021-4433 (1)

IV. Related Vulnerabilities

Same weakness: CWE-404

V. Comments for CVE-2021-4433

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