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CVE-2021-27273

Quick assessment

Affected
NETGEAR ProSAFE Network Management System
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Netgear NETGEAR是美国网件（Netgear）公司的一款路由器。连接两个或多个网络的硬件设备，在网络间起网关的作用。 NETGEAR ProSAFE Network Management System 存在操作系统命令注入漏洞，攻击者可利用该漏洞在受影响的系统上执行任意代码。

AI Predicted 9.8 Difficulty: Easy EPSS 65.00% · P99
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I. Basic Information for CVE-2021-27273

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the SettingConfigController class. When parsing the fileName parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-12121.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
NETGEAR ProSAFE Network Management System 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netgear NETGEAR是美国网件（Netgear）公司的一款路由器。连接两个或多个网络的硬件设备，在网络间起网关的作用。 NETGEAR ProSAFE Network Management System 存在操作系统命令注入漏洞，攻击者可利用该漏洞在受影响的系统上执行任意代码。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
NETGEAR ProSAFE Network Management System 1.6.0.26 -

II. Public POCs for CVE-2021-27273

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III. Intelligence Information for CVE-2021-27273

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Vendor Advisories for CVE-2021-27273 (1)

Other References for CVE-2021-27273 (1)

Same Patch Batch · NETGEAR · 2021-03-29 · 6 CVEs total

CVE-2021-27239 Netgear NETGEAR R6400 and R6700 安全漏洞
CVE-2021-27276 NETGEAR ProSAFE Network Management System 路径遍历漏洞
CVE-2021-27275 NETGEAR ProSAFE Network Management System 路径遍历漏洞
CVE-2021-27274 NETGEAR ProSAFE Network Management System 代码问题漏洞
CVE-2021-27272 NETGEAR ProSAFE Network Management System 路径遍历漏洞

IV. Related Vulnerabilities

Same product: ProSAFE Network Management System
Same vendor: NETGEAR
Same weakness: CWE-78

V. Comments for CVE-2021-27273

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