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CVE-2022-0547

Quick assessment

Affected
n/a OpenVPN
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是美国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 2.1存在安全漏洞，该漏洞允许外部用户仅获得部分正确凭据的访问权限。

AI Predicted 7.5 Difficulty: Moderate EPSS 3.57% · P89

Possible ATT&CK Techniques 1 AI

T1110.004 · Credential Stuffing
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I. Basic Information for CVE-2022-0547

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more than one of them makes use of deferred authentication replies, which allows an external user to be granted access with only partially correct credentials.
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是美国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 2.1存在安全漏洞，该漏洞允许外部用户仅获得部分正确凭据的访问权限。
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 version 2.1 until version 2.4.12 and 2.5.6. -

II. Public POCs for CVE-2022-0547

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III. Intelligence Information for CVE-2022-0547

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Mailing List Discussions for CVE-2022-0547 (3)

Other References for CVE-2022-0547 (3)

Same Patch Batch · n/a · 2022-03-18 · 57 CVEs total

CVE-2022-25451 Tenda AC6 缓冲区错误漏洞
CVE-2022-26266 Piwigo SQL注入漏洞
CVE-2022-25389 DCN Firewall DCME-520 安全漏洞
CVE-2022-25581 Classcms 代码问题漏洞
CVE-2022-25578 Taocms 代码注入漏洞
CVE-2022-25390 DCN Firewall DCME-520 安全漏洞
CVE-2022-26265 Contao 操作系统命令注入漏洞
CVE-2022-25454 Tenda AC6 缓冲区错误漏洞
CVE-2022-25453 Tenda AC6 缓冲区错误漏洞
CVE-2022-25452 Tenda AC6 缓冲区错误漏洞
CVE-2022-25455 Tenda AC6 缓冲区错误漏洞
CVE-2022-25450 Tenda AC6 缓冲区错误漏洞
CVE-2022-25449 Tenda AC6 缓冲区错误漏洞
CVE-2022-25448 Tenda AC6 缓冲区错误漏洞
CVE-2022-25447 Tenda AC6 缓冲区错误漏洞
CVE-2022-25446 Tenda AC6 缓冲区错误漏洞
CVE-2022-25445 Tenda AC6 缓冲区错误漏洞
CVE-2022-25441 Tenda AC9 操作系统命令注入漏洞
CVE-2022-25440 Tenda AC9 缓冲区错误漏洞
CVE-2022-25439 Tenda AC9 缓冲区错误漏洞

Showing top 20 of 57 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: OpenVPN
Same vendor: n/a
Same weakness: CWE-305

V. Comments for CVE-2022-0547

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