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I. Basic Information for CVE-2021-20046
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A Stack-based buffer overflow in the SonicOS HTTP Content-Length response header allows a remote authenticated attacker to cause Denial of Service (DoS) and potentially results in code execution in the firewall. This vulnerability affected SonicOS Gen 5, Gen 6 and Gen 7 firmware versions.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
SonicWall SonicOS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sonicwall SonicWall SonicOS是美国SonicWall(Sonicwall)公司的一套专为SonicWall防火墙设备设计的操作系统。 SonicWall SonicOS存在安全漏洞,该漏洞源于系统处理HTTP Content-Length响应头时出现边界错误而存在的。远程未经身份验证的攻击者可利用该漏洞可以发送专门设计的HTTP响应,触发基于堆栈的缓冲区溢出,并在目标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)
Affected Products
VendorProductAffected VersionsCPESubscribe
SonicWallSonicOS 7.0.1-R146 and earlier -
II. Public POCs for CVE-2021-20046
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III. Intelligence Information for CVE-2021-20046
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IV. Related Vulnerabilities
V. Comments for CVE-2021-20046

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