Auth bypass in Tcman Gim
CVE-2025-40669
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.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (14.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000
Affected products
- Tcman Gim — versions 11.0, 11
Weakness classification (CWE)
References
- www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-tcman-gim-1 (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-40669?
- CVE-2025-40669 is a medium-severity vulnerability in Tcman Gim, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2025-06-09.
- How severe is CVE-2025-40669?
- Medium severity. CVSS v3 base score is 6.5 out of 10.