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CVE-2021-45036— 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版本存在安全漏洞，该漏洞源于可能允许知道受害者用户名和散列密码的攻击者在服务器上欺骗受害者的ID。

CVSS 8.7 · High EPSS 0.75% · P54

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force
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I. Basic Information for CVE-2021-45036

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, could allow an attacker with knowledge of the victims's username and hashed password to spoof the victim's id against the server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用欺骗进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Velneo vClient 授权问题漏洞
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版本存在安全漏洞，该漏洞源于可能允许知道受害者用户名和散列密码的攻击者在服务器上欺骗受害者的ID。
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-2021-45036

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III. Intelligence Information for CVE-2021-45036

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Security Blog Posts for CVE-2021-45036 (1)

Other References for CVE-2021-45036 (6)

IV. Related Vulnerabilities

Same product: Velneo vClient
Same vendor: Velneo
Same weakness: CWE-290

V. Comments for CVE-2021-45036

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