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Mallory
Critical

Authentication Bypass in WorkExaminer Professional Console

IdentifiersCVE-2025-10640CWE-306

CVE-2025-10640 is an authentication bypass vulnerability in the WorkExaminer Professional server/console architecture. An unauthenticated attacker with network access to TCP port 12306 on the WorkExaminer server can bypass the login prompt in the WorkExaminer Professional console and obtain administrative access. According to the provided content, the console uses a custom protocol to invoke a stored procedure on the backend MSSQL database during authentication. The server does not validate the stored procedure return value server-side; instead, the result is only checked on the client side. Because the authentication decision is effectively enforced only by the client, an attacker can interact with the exposed service and bypass the intended login controls.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation grants administrative access to the WorkExaminer server. This exposes the full set of sensitive employee-monitoring data managed by the platform, including monitored screenshots and keystrokes for all users. Administrative access may also allow broader control over the monitoring environment and server-side data, depending on deployment configuration.

Mitigation

If you can’t patch tonight, do this now.

Until patching is completed, restrict network access to TCP port 12306 so that only trusted administrative hosts can reach the WorkExaminer server. Do not expose the service to untrusted networks or the internet. Segment the server, enforce host- or network-based ACLs, and monitor for unexpected connections to the management port. Review server and database logs for anomalous console access and assume exposure of monitoring data if the service was reachable by unauthorized parties.

Remediation

Patch, then assume compromise.

Apply the vendor-provided fix or update for CVE-2025-10640 as soon as it is available for the affected WorkExaminer Professional server/console deployment. The underlying issue should be remediated by enforcing authentication and authorization decisions on the server side and validating the stored procedure return value on the server before granting console access. If a patch is available from the vendor, upgrade all affected server instances and verify that unauthenticated access to the administrative console is no longer possible over the custom protocol on TCP port 12306.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity4

Community discussion across Reddit, Mastodon, and other social sources.