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CVE-2025-10640— Missing Server-Side Authentication Checks in EfficientLab WorkExaminer Professional

Quick assessment

Affected
EfficientLab WorkExaminer Professional
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.

Work Examiner Professional是美国Work Examiner公司的一款员工电脑监控软件。 Work Examiner Professional存在安全漏洞，该漏洞源于服务器端缺少身份验证检查，可能导致未经验证的攻击者绕过登录提示并获得管理员权限，从而访问所有敏感监控数据。

AI Predicted 9.8 Difficulty: Easy EPSS 0.90% · P58
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I. Basic Information for CVE-2025-10640

Vulnerability Information
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Vulnerability Title
Missing Server-Side Authentication Checks in EfficientLab WorkExaminer Professional
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated attacker with access to TCP port 12306 of the WorkExaminer server can exploit missing server-side authentication checks to bypass the login prompt in the WorkExaminer Professional console to gain administrative access to the WorkExaminer server and therefore all sensitive monitoring data. This includes monitored screenshots and keystrokes of all users. The WorkExaminer Professional console is used for administrative access to the server. Before access to the console is granted administrators must login. Internally, a custom protocol is used to call a respective stored procedure on the MSSQL database. The return value of the call is not validated on the server-side. Instead it is only validated client-side which allows to bypass authentication.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
服务端安全的客户端实施
Source: CVE Program / CVE List V5
Vulnerability Title
Work Examiner Professional 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Work Examiner Professional是美国Work Examiner公司的一款员工电脑监控软件。 Work Examiner Professional存在安全漏洞，该漏洞源于服务器端缺少身份验证检查，可能导致未经验证的攻击者绕过登录提示并获得管理员权限，从而访问所有敏感监控数据。
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
EfficientLab WorkExaminer Professional <= 4.0.0.52001 -

II. Public POCs for CVE-2025-10640

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III. Intelligence Information for CVE-2025-10640

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Same Patch Batch · EfficientLab · 2025-10-21 · 3 CVEs total

CVE-2025-10639 Usage of Hardcoded FTP Credentials EfficientLab WorkExaminer Professional
CVE-2025-10641 Unencrypted cleartext communication in EfficientLab WorkExaminer Professional

IV. Related Vulnerabilities

Same product: WorkExaminer Professional
Same vendor: EfficientLab
Same weakness: CWE-602

V. Comments for CVE-2025-10640

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