Description
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected devices exposes server information in its responses.
This could allow an attacker with network access to gain useful information, increasing the likelihood of targeted attacks.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC CN 4100 | < V4.0.1 | V4.0.1 |
Advisories 3
- NCSC-2025-0382 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Dec 9, 2025
- ICSA-26-015-12 Siemens SIMATIC CN 4100 CISA ICS & IT advisories · Dec 9, 2025
- SSA-416652 SSA-416652: Multiple Vulnerabilities in SIMATIC CN 4100 Before V4.0.1 Siemens ProductCERT · Dec 9, 2025