CVE-2025-40669 Incorrect Authorization vulnerability in TCMAN GIM
An unprivileged attacker can modify user permissions, including their own, by sending a specific POST request to the application.
- 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-2025-40669?
CVE-2025-40669 is a high-severity missing authorization vulnerability in TCMAN GIM, published on 9 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Incorrect authorization vulnerability in TCMAN's GIM v11. This vulnerability allows an unprivileged attacker to modify the permissions held by each of the application's users, including the user himself by sending a POST request to /PC/Options.aspx?Command=2&Page=-1.
Weakness: CWE-863
Which versions are affected by CVE-2025-40669?
It affects 1 product.
Products include Tcman Gim.
How do I fix CVE-2025-40669?
No fix has been published for CVE-2025-40669 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-2025-40669 being exploited?
There is no known exploitation of CVE-2025-40669 in the wild and no public exploit code.
Other vulnerabilities in TCMAN GIM
Sources
Also known as GHSA-6p6j-f8q6-5r72.