CVE-2025-34239
BaseFortify
Publication date: 2025-11-06
Last updated on: 2025-12-04
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| advantech | webaccess\/vpn | to 1.1.5 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-78 | The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a command injection flaw in Advantech WebAccess/VPN versions prior to 1.1.5. It occurs in the AppManagementController.appUpgradeAction() function, where an authenticated system administrator can execute arbitrary commands on the web server by providing a specially crafted uploaded filename. The commands run with the privileges of the web server user (www-data).
How can this vulnerability impact me? :
An attacker who is an authenticated system administrator can exploit this vulnerability to execute arbitrary commands on the server hosting the web application. This can lead to unauthorized control over the server, potential data compromise, service disruption, or further attacks within the network.