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CVE-2020-5142

Quick assessment

Affected
SonicWall SonicOS
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SonicWall SonicOS SSLVPN NACagent是美国SonicWall公司的一款VPN（虚拟私人网络）客户端应用程序。 SonicOS SSLVPN web interface 存在跨站脚本漏洞，攻击者可利用该漏洞能够在防火墙SSLVPN门户中存储并可能执行任意的JavaScript代码。以下产品及版本受到影响：5.9.1.7版本，5.9.1.13版本，6.5.4.7版本，6.5.1.12版本，6.0.5.3版本，SonicOSv 6.5.4版本，SonicOS 7.0.0.0版本。

AI Predicted 8.1 Difficulty: Moderate EPSS 1.24% · P68
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I. Basic Information for CVE-2020-5142

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A stored cross-site scripting (XSS) vulnerability exists in the SonicOS SSLVPN web interface. A remote unauthenticated attacker is able to store and potentially execute arbitrary JavaScript code in the firewall SSLVPN portal. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version SonicOS 7.0.0.0.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
SonicWall SonicOS SSLVPN NACagent 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SonicWall SonicOS SSLVPN NACagent是美国SonicWall公司的一款VPN（虚拟私人网络）客户端应用程序。 SonicOS SSLVPN web interface 存在跨站脚本漏洞，攻击者可利用该漏洞能够在防火墙SSLVPN门户中存储并可能执行任意的JavaScript代码。以下产品及版本受到影响：5.9.1.7版本，5.9.1.13版本，6.5.4.7版本，6.5.1.12版本，6.0.5.3版本，SonicOSv 6.5.4版本，SonicOS 7.0.0.0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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SonicWall SonicOS SonicOS 6.5.4.7-79n and earlier -

II. Public POCs for CVE-2020-5142

# POC Description Source Link Shenlong Link
1 Reflected XSS found by Burp Suite in several locations on SonicOS 7.0 Sonicwall NSA device. https://github.com/hackerlawyer/CVE-2020-5142-POC-MB POC Details
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III. Intelligence Information for CVE-2020-5142

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Other References for CVE-2020-5142 (1)

Same Patch Batch · SonicWall · 2020-10-12 · 11 CVEs total

CVE-2020-5133 SonicWall SonicOS 安全漏洞
CVE-2020-5134 SonicWall SonicOS 缓冲区错误漏洞
CVE-2020-5135 SonicWall SonicOS 缓冲区错误漏洞
CVE-2020-5136 SonicWall SonicOS 缓冲区错误漏洞
CVE-2020-5137 SonicWall SonicOS 缓冲区错误漏洞
CVE-2020-5138 SonicWall SonicOS 缓冲区错误漏洞
CVE-2020-5139 SonicWall SonicOS SSLVPN NACagent 安全漏洞
CVE-2020-5140 SonicWall SonicOS 缓冲区错误漏洞
CVE-2020-5141 SonicWall SonicOS 安全漏洞
CVE-2020-5143 SonicWall SonicOS SSLVPN NACagent 安全漏洞

IV. Related Vulnerabilities

Same product: SonicOS
Same vendor: SonicWall
Same weakness: CWE-79

V. Comments for CVE-2020-5142

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