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CVE-2020-36382

Quick assessment

Affected
n/a OpenVPN Access Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Openvpn OpenVPN是美国OpenVPN（Openvpn）公司的一个用于创建虚拟专用网络（VPN）加密通道的软件包，它使用OpenSSL库来加密数据与控制信息，并允许创建的VPN使用公开密钥、电子证书或者用户名/密码来进行身份验证。 OpenVPN Access Server 2.7.3版本至2.8.7版本存在安全漏洞，该漏洞允许远程攻击者在用户认证阶段通过错误的认证令牌数据触发断言，导致用户认证的早期阶段拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 1.89% · P79

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-36382

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
OpenVPN Access Server 2.7.3 to 2.8.7 allows remote attackers to trigger an assert during the user authentication phase via incorrect authentication token data in an early phase of the user authentication resulting in a denial of service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对因果或异常条件的不恰当检查
Source: CVE Program / CVE List V5
Vulnerability Title
OpenVPN 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Openvpn OpenVPN是美国OpenVPN（Openvpn）公司的一个用于创建虚拟专用网络（VPN）加密通道的软件包，它使用OpenSSL库来加密数据与控制信息，并允许创建的VPN使用公开密钥、电子证书或者用户名/密码来进行身份验证。 OpenVPN Access Server 2.7.3版本至2.8.7版本存在安全漏洞，该漏洞允许远程攻击者在用户认证阶段通过错误的认证令牌数据触发断言，导致用户认证的早期阶段拒绝服务。
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
- OpenVPN Access Server 2.7.3 to 2.8.7 -

II. Public POCs for CVE-2020-36382

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III. Intelligence Information for CVE-2020-36382

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Other References for CVE-2020-36382 (2)

Same Patch Batch · n/a · 2021-06-04 · 24 CVEs total

CVE-2020-36141 BloofoxCms 代码问题漏洞
CVE-2021-30475 libaom 缓冲区错误漏洞
CVE-2020-15077 OpenVPN 授权问题漏洞
CVE-2021-26994 NetApp Clustered Data ONTAP 安全漏洞
CVE-2021-3565 tpm2-tools 信任管理问题漏洞
CVE-2020-7469 FreeBSD 资源管理错误漏洞
CVE-2021-22516 Micro Focus Secure API Manager 日志信息泄露漏洞
CVE-2020-27301 Realtek RTL8710 缓冲区错误漏洞
CVE-2020-27302 Realtek RTL8710 缓冲区错误漏洞
CVE-2021-28091 Lasso 数据伪造问题漏洞
CVE-2021-33054 SOGo 数据伪造问题漏洞
CVE-2020-36142 BloofoxCMS 路径遍历漏洞
CVE-2021-31249 多款Chiyu产品注入漏洞
CVE-2020-36140 BloofoxCms 跨站请求伪造漏洞
CVE-2020-36139 BloofoxCms 跨站脚本漏洞
CVE-2020-29322 D-Link DIR-880L 信息泄露漏洞
CVE-2020-29323 D-Link DIR-885L MFC 信息泄露漏洞
CVE-2020-29324 D-Link DIR-895L MFC 信息泄露漏洞
CVE-2020-29321 D-Link DIR-868L 信息泄露漏洞
CVE-2021-26928 BIRD 访问控制错误漏洞

Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: OpenVPN Access Server
Same vendor: n/a
Same weakness: CWE-754

V. Comments for CVE-2020-36382

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