CVE-2025-40664 Missing authentication vulnerability in TCMAN GIM v11

Critical 9.3 Published 26 May 2025 Updated 27 May 2025

Unauthenticated attackers can access user management endpoints to read, update, or delete user data in TCMAN GIM.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-40664?

CVE-2025-40664 is a critical missing authorization vulnerability in TCMAN GIM, published on 26 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Missing authentication vulnerability in TCMAN GIM v11. This allows an unauthenticated attacker to access the resources /frmGestionUser.aspx/GetData, /frmGestionUser.aspx/updateUser and /frmGestionUser.aspx/DeleteUser.

Weakness: CWE-306

Which versions are affected by CVE-2025-40664?

It affects 1 product.

Products include Tcman Gim.

How do I fix CVE-2025-40664?

No fix has been published for CVE-2025-40664 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-40664 being exploited?

There is no known exploitation of CVE-2025-40664 in the wild and no public exploit code.

Sources

Also known as GHSA-77h5-q643-73mf.