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CVE-2021-20034

Quick assessment

Affected
SonicWall SMA100
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.

Sonicwall SMA100是美国Sonicwall公司的一款安全访问网关设备。 SonicWall SMA100 系列中存在路径遍历漏洞，该漏洞源于 SMA 100 管理界面中的访问限制不当。远程未经身份验证的攻击者可以绕过实施的路径遍历检查并删除系统上的任意文件，从而可能导致重新启动到出厂默认设置。

AI Predicted 9.8 Difficulty: Easy EPSS 81.14% · P100

Public Exploits 1

ExploitDB · 1 EDB-50430 [webapps]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-20034

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An improper access control vulnerability in SMA100 allows a remote unauthenticated attacker to bypass the path traversal checks and delete an arbitrary file potentially resulting in a reboot to factory default settings.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Sonicwall SMA100 路径遍历漏洞
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 系列中存在路径遍历漏洞，该漏洞源于 SMA 100 管理界面中的访问限制不当。远程未经身份验证的攻击者可以绕过实施的路径遍历检查并删除系统上的任意文件，从而可能导致重新启动到出厂默认设置。
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

Vendor Product Affected Versions CPE Subscribe
SonicWall SMA100 9.0.0.10-28sv and earlier -

II. Public POCs for CVE-2021-20034

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20034

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Exploits & Public PoCs for CVE-2021-20034 (1)

Other References for CVE-2021-20034 (1)

IV. Related Vulnerabilities

Same product: SMA100
Same vendor: SonicWall
Same weakness: CWE-284

V. Comments for CVE-2021-20034

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