Server-Side Authentication Bypass in WorkExaminer Professional Console by WorkExaminer
CVE-2025-10640

9.8CRITICAL

Key Information:

Vendor
CVE Published:
21 October 2025

What is CVE-2025-10640?

An unauthenticated attacker can exploit a security flaw in the WorkExaminer Professional console, where critical server-side authentication checks are absent. By targeting TCP port 12306, an attacker can bypass the required login prompt and gain unauthorized administrative access. This vulnerability exposes sensitive monitoring data, including screenshots and keystroke logs of users, jeopardizing privacy and information security. The underlying issue stems from improper validation of authentication procedures, which are only checked on the client side.

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Affected Version(s)

WorkExaminer Professional <= 4.0.0.52001

References

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Tobias Niemann, SEC Consult Vulnerability Lab
Daniel Hirschberger, SEC Consult Vulnerability Lab
Thorger Jansen, SEC Consult Vulnerability Lab
Marius Renner, SEC Consult Vulnerability Lab
.