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CVE-2022-4980— General Bytes Crypto Application Server (CAS) Unauthenticated Creation of Admin Account via Default-installation/First-admin Page

Quick assessment

Affected
General Bytes Crypto Application Server (CAS)
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.

General Bytes Crypto Application Server是General Bytes公司的提供基于浏览器的强大而简单的管理。 General Bytes Crypto Application Server 20201208版本至20220531.38之前版本和20220725.22之前版本存在安全漏洞，该漏洞源于管理界面存在身份验证绕过，可能导致远程创建管理员账户和资金重定向。

AI Predicted 9.8 Difficulty: Easy EPSS 0.67% · P49
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I. Basic Information for CVE-2022-4980

Vulnerability Information
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Vulnerability Title
General Bytes Crypto Application Server (CAS) Unauthenticated Creation of Admin Account via Default-installation/First-admin Page
Source: CVE Program / CVE List V5
Vulnerability Description
General Bytes Crypto Application Server (CAS) beginning with version 20201208 prior to 20220531.38 (backport) and 20220725.22 (mainline) contains an authentication bypass in the admin web interface. An unauthenticated attacker could invoke the same URL used by the product's default-installation / first-admin creation page and create a new administrative account remotely. By gaining admin privileges, the attacker can change the ATM configuration resulting in redirected funds. Public vendor advisories and multiple independent writeups describe the vulnerability as a call to the page used for initial/default installation / first administration user creation; General Bytes has not publicly published the exact endpoint/parameter name. The issue was actively exploited in the wild against cloud-hosted and standalone CAS deployments (scanning exposed CAS instances on ports 7777/443), and publicly acknowledged by the General Bytes in September 2022.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
General Bytes Crypto Application Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
General Bytes Crypto Application Server是General Bytes公司的提供基于浏览器的强大而简单的管理。 General Bytes Crypto Application Server 20201208版本至20220531.38之前版本和20220725.22之前版本存在安全漏洞，该漏洞源于管理界面存在身份验证绕过，可能导致远程创建管理员账户和资金重定向。
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
General Bytes Crypto Application Server (CAS) 20201208 ~ 20220725.22 -

II. Public POCs for CVE-2022-4980

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III. Intelligence Information for CVE-2022-4980

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IV. Related Vulnerabilities

Same weakness: CWE-306

V. Comments for CVE-2022-4980

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