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CVE-2021-20023

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 On-premise Email是美国Sonicwall公司的一个应用程序。用于检测电子邮件安全。 SonicWall On-premise Email Security (ES): before 10.0.9.6173 存在路径遍历漏洞，该漏洞源于输入验证错误而存在漏洞。以下产品及版本受到影响：SonicWall On-premise Email Security (ES) 10.0.9.6173 之前版本。

AI Predicted 5.5 Difficulty: Easy KEV · Ransomware EPSS 51.41% · P99

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

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-2021-20023

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 read an arbitrary file on the remote host.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Sonicwall On-premise Email 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sonicwall On-premise Email是美国Sonicwall公司的一个应用程序。用于检测电子邮件安全。 SonicWall On-premise Email Security (ES): before 10.0.9.6173 存在路径遍历漏洞，该漏洞源于输入验证错误而存在漏洞。以下产品及版本受到影响：SonicWall On-premise Email Security (ES) 10.0.9.6173 之前版本。
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-2021-20023

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III. Intelligence Information for CVE-2021-20023

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Other References for CVE-2021-20023 (1)

IV. Related Vulnerabilities

Same product: Email Security
Same vendor: SonicWall
Same weakness: CWE-22

V. Comments for CVE-2021-20023

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