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CVE-2021-45035— Velneo vClient Improper authentication

Quick assessment

Affected
Velneo Velneo vClient
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.

Velneo vClient是Velneo公司的一个完整的企业应用程序开发平台。 Velneo vClient 28.1.3版本存在信任管理问题漏洞，该漏洞源于默认不会正确检查真实性证书，攻击者利用该漏洞可以执行 MITM 攻击以获取用户的凭据。

CVSS 6.3 · Medium EPSS 0.38% · P31
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I. Basic Information for CVE-2021-45035

Vulnerability Information
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Vulnerability Title
Velneo vClient Improper authentication
Source: CVE Program / CVE List V5
Vulnerability Description
Velneo vClient on its 28.1.3 version, does not correctly check the certificate of authenticity by default. This could allow an attacker that has access to the network to perform a MITM attack in order to obtain the user´s credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Velneo vClient 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Velneo vClient是Velneo公司的一个完整的企业应用程序开发平台。 Velneo vClient 28.1.3版本存在信任管理问题漏洞，该漏洞源于默认不会正确检查真实性证书，攻击者利用该漏洞可以执行 MITM 攻击以获取用户的凭据。
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
Velneo Velneo vClient 28.1.3 -

II. Public POCs for CVE-2021-45035

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III. Intelligence Information for CVE-2021-45035

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Security Blog Posts for CVE-2021-45035 (1)

Other References for CVE-2021-45035 (3)

IV. Related Vulnerabilities

Same product: Velneo vClient
Same vendor: Velneo
Same weakness: CWE-287

V. Comments for CVE-2021-45035

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