CVE-2025-8261
BaseFortify
Publication date: 2025-07-28
Last updated on: 2026-04-29
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| vaelsys | vaelsys | 4.1.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-266 | A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor. |
| CWE-285 | The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. |
| CWE-NVD-CWE-Other |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :
This vulnerability can severely impact your system by allowing unauthorized attackers to create user accounts with administrative privileges remotely and without authentication. This compromises the confidentiality, integrity, and availability of your system, potentially leading to full system takeover, data breaches, and disruption of services. [1, 2]
Can you explain this vulnerability to me?
CVE-2025-8261 is a critical vulnerability in Vaelsys version 4.1.0 affecting the User Creation Handler component at the /grid/vgrid_server.php endpoint. Due to improper authorization checks, attackers can remotely create arbitrary user accounts, including administrative ones, without any authentication. This happens because the system fails to validate user creation requests properly, allowing attackers to bypass security controls by sending specially crafted POST requests. [1, 2]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by checking for the presence of the vulnerable endpoint /grid/vgrid_server.php on Vaelsys version 4.1.0 systems. One detection method is to search for URLs containing "inurl:grid/vgrid_server.php" using Google Hacking techniques. On your network or system, you can attempt to send crafted POST requests to this endpoint to see if unauthorized user creation is possible. For example, using curl to send a POST request to the endpoint and observing if user accounts can be created without authentication may indicate vulnerability. A sample command could be: curl -X POST http://<target>/grid/vgrid_server.php -d '<crafted_payload>'. Additionally, monitoring network traffic for suspicious POST requests to /grid/vgrid_server.php may help detect exploitation attempts. [2, 1]
What immediate steps should I take to mitigate this vulnerability?
No known mitigations or countermeasures have been published for this vulnerability. The suggested immediate step is to replace the affected component or product with an alternative that does not contain this flaw. Additionally, restricting access to the vulnerable endpoint /grid/vgrid_server.php by network controls such as firewalls or access control lists may reduce exposure. Monitoring for exploitation attempts and applying strict network segmentation can also help mitigate risk until a patch or fix is available. [2]