CVE-2025-40664
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedMissing 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.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceMissing authentication in TCMAN GIM v11 allows unauthenticated access to three user management endpoints (/frmGestionUser.aspx/GetData, /frmGestionUser.aspx/updateUser, and /frmGestionUser.aspx/DeleteUser). An attacker can view, modify, or delete any user without credentials, leading to full user management compromise.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 11.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm Tcman Gim versionLocate the installed Tcman Gim application and identify its version number. Check the application documentation, about page, or installation directory for version information.Affected if The installed version is Tcman Gim 11.0 exactly.
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Verify web application accessibilityDetermine the base URL where Tcman Gim web interface is hosted. Confirm the application is reachable over HTTP/HTTPS.Affected if The Tcman Gim web interface is accessible on the network.
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Check endpoint exposureAttempt to access the three affected endpoints using HTTP GET or POST requests without providing any authentication credentials: /frmGestionUser.aspx/GetData, /frmGestionUser.aspx/updateUser, /frmGestionUser.aspx/DeleteUserAffected if Any of these endpoints return successful HTTP responses (2xx) without requiring authentication.
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Verify unauthenticated data accessFor the GetData endpoint, analyze the response to determine if user data is returned without prior authentication. For updateUser and DeleteUser, check if the application accepts requests without session tokens or login credentials.Affected if The endpoints process requests and return user data or execute operations without validating user identity.
You are affected if Tcman Gim version 11.0 is installed and any of the three user management endpoints are accessible without authentication credentials.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataAdd proper authentication and authorization checks to all three user management endpoints before processing requests. Implement role-based access control to ensure only authorized administrators can access these functions.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,408.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-40664 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-40664 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data