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CVE-2021-20022

Quick assessment

Affected
SonicWall Email Security
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Sonicwall SonicWall Email Security Appliance是美国SonicWall（Sonicwall）公司的一款电子邮件安全防护设备。 SonicWall Email Security version 10.0.9.x 存在安全漏洞，该漏洞允许经过身份验证的攻击者向远程主机上传任意文件。

AI Predicted 8.6 Difficulty: Easy KEV · Ransomware EPSS 16.64% · P97

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell

Affected Version Matrix 1

VendorProduct Version RangeStatus
SonicWall Email Security 10.0.9 and earlier affected
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I. Basic Information for CVE-2021-20022

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to upload an arbitrary file to the remote host.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Sonicwall SonicWall Email Security Appliance 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sonicwall SonicWall Email Security Appliance是美国SonicWall（Sonicwall）公司的一款电子邮件安全防护设备。 SonicWall Email Security version 10.0.9.x 存在安全漏洞，该漏洞允许经过身份验证的攻击者向远程主机上传任意文件。
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
SonicWall Email Security 10.0.9 and earlier -

II. Public POCs for CVE-2021-20022

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20022

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Other References for CVE-2021-20022 (1)

IV. Related Vulnerabilities

Same product: Email Security
Same vendor: SonicWall
Same weakness: CWE-434

V. Comments for CVE-2021-20022

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