CVE-2025-40796
BaseFortify
Publication date: 2025-09-09
Last updated on: 2025-10-14
Assigner: Siemens AG
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| siemens | simatic_pcs_neo | 4.1 |
| siemens | simatic_pcs_neo | 5.0 |
| siemens | user_management_component | to 2.15.1.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an out-of-bounds read issue in the User Management Component (UMC) integrated into SIMATIC PCS neo versions 4.1 and 5.0. It allows an unauthenticated remote attacker to read memory outside the intended boundaries, which can cause the system to crash or become unavailable, resulting in a denial of service condition.
How can this vulnerability impact me? :
The vulnerability can impact you by allowing an unauthenticated remote attacker to cause a denial of service, making the affected system unavailable or unstable. This could disrupt operations relying on SIMATIC PCS neo or the User Management Component.