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CVE-2020-15077

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 2.8.7版本及之前版本存在授权问题漏洞，该漏洞允许远程攻击者绕过配置了延迟认证的服务器上的认证和访问控制通道数据。

AI Predicted 9.8 Difficulty: Easy EPSS 1.21% · P68
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I. Basic Information for CVE-2020-15077

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
OpenVPN Access Server 2.8.7 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用基本弱点进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
OpenVPN 授权问题漏洞
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 2.8.7版本及之前版本存在授权问题漏洞，该漏洞允许远程攻击者绕过配置了延迟认证的服务器上的认证和访问控制通道数据。
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 2.8.7 and earlier versions -

II. Public POCs for CVE-2020-15077

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III. Intelligence Information for CVE-2020-15077

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Other References for CVE-2020-15077 (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-2020-36382 OpenVPN 代码问题漏洞
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-305

V. Comments for CVE-2020-15077

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