Scalance Lpe9403 Firmware
by Siemens
Standard maintenance is sufficient
Scalance Lpe9403 Firmware has low exploitation rates. Attackers rarely target this software's known vulnerabilities.
What to do
- Keep automatic updates enabled
- No urgent action needed
- Review periodically as part of normal maintenance
What Attackers Target
Vulnerabilities with high exploit probability
7.4%
Confirmed actively exploited (CISA)
7.4%
Public exploit code available
0.0%
Based on 27 known vulnerabilities. Percentages show the proportion that are actively dangerous — a low percentage means most vulnerabilities in this product are not being exploited.
Most Dangerous Vulnerabilities
| CVE | CVSS | Exploit Probability | Confirmed |
|---|---|---|---|
| CVE-2021-4034 | 7.8 | 87.8% | Yes |
| CVE-2022-0847 | 7.8 | 81.6% | Yes |
| CVE-2021-3449 | 5.9 | 9.9% | — |
| CVE-2023-27407 | 9.9 | 1.0% | — |
| CVE-2025-27393 | 7.2 | 0.8% | — |
| CVE-2025-27394 | 7.2 | 0.8% | — |
| CVE-2025-27392 | 7.2 | 0.8% | — |
| CVE-2025-40575 | 4.3 | 0.4% | — |
| CVE-2025-27396 | 8.8 | 0.3% | — |
| CVE-2021-36221 | 5.9 | 0.2% | — |
| CVE-2025-27395 | 7.2 | 0.2% | — |
| CVE-2025-40578 | 4.3 | 0.2% | — |
| CVE-2025-40577 | 4.3 | 0.2% | — |
| CVE-2025-40576 | 4.3 | 0.2% | — |
| CVE-2025-40573 | 4.4 | 0.1% | — |
| CVE-2023-27410 | 2.7 | 0.1% | — |
| CVE-2023-27409 | 2.5 | 0.1% | — |
| CVE-2025-27397 | 3.8 | 0.1% | — |
| CVE-2025-27398 | 2.7 | 0.1% | — |
| CVE-2025-40582 | 7.8 | 0.1% | — |
7
/ 100
low-risk
Active Threat
4/50 · Minimal
Exploit Availability
3/50 · Minimal
Score uses Wilson score intervals to account for sample size. Products with few CVEs are scored conservatively.