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CVE-2024-12839— Changing Information Technology CGFIDO - Authentication Bypass

Quick assessment

Affected
Changing Information Technology CGFIDO
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.

CHANGING CGFIDO是中国CHANGING公司的一个无密码身份验证系统。 CHANGING CGFIDO 0.0.1至1.1.0版本存在安全漏洞，该漏洞源于存在登录机制认证绕过漏洞，未认证的远程攻击者可通过获取签名后使用任何设备登录系统。

CVSS 8.8 · High EPSS 0.72% · P53

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-12839

Vulnerability Information
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Vulnerability Title
Changing Information Technology CGFIDO - Authentication Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
The login mechanism via device authentication of CGFIDO from Changing Information Technology has an Authentication Bypass vulnerability. If a user visits a forged website, the agent program deployed on their device will send an authentication signature to the website. An unauthenticated remote attacker who obtains this signature can use it to log into the system with any device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用捕获-重放进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
CHANGING CGFIDO 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CHANGING CGFIDO是中国CHANGING公司的一个无密码身份验证系统。 CHANGING CGFIDO 0.0.1至1.1.0版本存在安全漏洞，该漏洞源于存在登录机制认证绕过漏洞，未认证的远程攻击者可通过获取签名后使用任何设备登录系统。
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
Changing Information Technology CGFIDO 0 ~ 1.2.1 -

II. Public POCs for CVE-2024-12839

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III. Intelligence Information for CVE-2024-12839

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Vendor Advisories for CVE-2024-12839 (2)

IV. Related Vulnerabilities

Same product: CGFIDO
Same vendor: Changing Information Technology
Same weakness: CWE-294

V. Comments for CVE-2024-12839

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