Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.02%
5.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Siemens | SIMATIC ET 200SP IM 155-6 PN R1 | 0 |
| Siemens | SIMATIC ET 200SP IM 155-6 PN/2 HF | V4.2.0 |
| Siemens | SIMATIC | |
| Siemens | SIPLUS NET PN/PN Coupler | 0 |
| Siemens | SIMATIC PN/PN Coupler | 0 |
| Siemens | SIMATIC ET 200AL IM 157-1 PN | 0 |
| Siemens | SIPLUS ET 200SP IM 155-6 PN HF | V4.2.0, V4.2.0 |
| Siemens | SIPLUS ET 200MP IM 155-5 PN HF | V4.2.0, V4.2.0 |
| Siemens | SIPLUS ET 200SP IM 155-6 PN HF T1 RAIL | V4.2.0 |
| Siemens | SIMATIC ET 200MP IM 155-5 PN HF | V4.2.0 |
| Siemens | N/A | |
| Siemens | SIPLUS ET 200MP IM 155-5 PN HF T1 RAIL | V4.2.0 |
| Siemens | SIMATIC ET 200SP IM 155-6 MF HF | 0 |
| Siemens | SIMATIC ET 200SP IM 155-6 PN HA (incl. SIPLUS variants) | 0 |
| Siemens | SIPLUS ET 200SP IM 155-6 PN HF TX RAIL | V4.2.0 |
| Siemens | SIMATIC ET 200SP IM 155-6 PN/3 HF | 0 |
| Siemens | SCALANCE | |
| Siemens | SIMATIC PN/MF Coupler | 0 |
Timeline
- Apr 16, 2025 CVE ID Reserved
- Jan 13, 2026 EPSS Score
- Jan 13, 2026 CVE Published
- Jan 13, 2026 PoC Published
- Jan 13, 2026 PoC Published
- Jan 13, 2026 CVE Updated
- Jan 15, 2026 EPSS Score
- Jan 18, 2026 EPSS Score
- Jan 20, 2026 EPSS Score
- Jan 23, 2026 EPSS Score
- Jan 25, 2026 EPSS Score
- Jan 28, 2026 EPSS Score
References
- https://cert-portal.siemens.com/productcert/html/ssa-674753.html url
- https://cert-portal.siemens.com/productcert/html/ssa-507364.html advisory
- https://cert-portal.siemens.com/productcert/html/ssb-491780.html advisory
- https://cert-portal.siemens.com/productcert/html/ssa-001536.html advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-40944 advisory