CVE-2025-10641 Unencrypted cleartext communication in EfficientLab WorkExaminer Professional
Attackers on the network can read and modify sensitive data transmitted in cleartext between WorkExaminer Professional clients and servers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-10641?
CVE-2025-10641 is a high-severity vulnerability in EfficientLab WorkExaminer Professional, published on 21 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
All WorkExaminer Professional traffic between monitoring client, console and server is transmitted as plain text. This allows an attacker with access to the network to read the transmitted sensitive data. An attacker can also freely modify the data on the wire. The monitoring clients transmit their data to the server using the unencrypted FTP. Clients connect to the FTP server on port 12304 and transmit the data unencrypted. In addition, all traffic between the console client and the server at port 12306 is unencrypted.
Weakness: CWE-319
Which versions are affected by CVE-2025-10641?
How do I fix CVE-2025-10641?
No fix has been published for CVE-2025-10641 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-10641 being exploited?
There is no known exploitation of CVE-2025-10641 in the wild and no public exploit code.
Sources
Also known as GHSA-6pj2-4cj6-vf8f.