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I. Basic Information for CVE-2021-20041
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An unauthenticated and remote adversary can consume all of the device's CPU due to crafted HTTP requests sent to SMA100 /fileshare/sonicfiles/sonicfiles resulting in a loop with unreachable exit condition. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: NVD (National Vulnerability Database)
Vulnerability Title
SonicWall SMA100安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sonicwall SMA100是美国Sonicwall公司的一款安全访问网关设备。 SonicWall SMA100 存在安全漏洞,该漏洞发送到 /fileshare/sonicfiles/sonicfiles 的精心制作的 HTTP 请求会导致无法访问退出条件的循环,因此未经身份验证的远程攻击者可能会消耗设备的所有 CPU。此漏洞影响了 SMA 200、210、400、410 和 500v 设备。
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
SonicWallSonicWall SMA100 9.0.0.11-31sv and earlier -
II. Public POCs for CVE-2021-20041
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III. Intelligence Information for CVE-2021-20041
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IV. Related Vulnerabilities
V. Comments for CVE-2021-20041

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