CVE-2021-36809
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I. Basic Information for CVE-2021-36809
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A local attacker can overwrite arbitrary files on the system with VPN client logs using administrator privileges, potentially resulting in a denial of service and data loss, in all versions of Sophos SSL VPN client.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
SSL VPN 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SSL VPN是采用SSL协议来实现远程接入的一种新型VPN技术。它包括：服务器认证，客户认证、SSL链路上的数据完整性和SSL链路上的数据保密性。 SSL VPN 中存在代码问题漏洞，该漏洞源于产品未对日志路径选择的功能进行有效限制。本地攻击者可利用该漏洞使用管理员权限用VPN客户端日志覆盖系统上的任意文件，可能导致拒绝服务和数据丢失。
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 |
|---|---|---|---|---|
| Sophos | SSL VPN client | unspecified ~ 2.3.8.0 | - |
II. Public POCs for CVE-2021-36809
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
V. Comments for CVE-2021-36809
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