Natus NeuroWorks and SleepWorks before 8.4 GMA3 utilize a default password of xltek for the Microsoft SQL Server service sa account, allowing a threat actor to perform remote code execution, data exfiltration, or other nefarious actions such as tampering with data or destroying/disrupting MSSQL services.
Conclusion & alert: CVE-2023-47800 is rated High Exploit Risk (85.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.68%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 2.99% | 3.68% | +0.70% |
| 2 | 2025-11-18 | 3.68% | 2.99% | -0.70% |
| 3 | 2025-04-15 | — | 3.68% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| natus | neuroworks_eeg | < 8.4 | cpe:2.3:a:natus:neuroworks_eeg:*:*:*:*:*:*:*:* |
| natus | neuroworks_eeg | 8.4 | cpe:2.3:a:natus:neuroworks_eeg:8.4:-:*:*:*:*:*:* |
| natus | sleepworks | < 8.4 | cpe:2.3:a:natus:sleepworks:*:*:*:*:*:*:*:* |
| natus | sleepworks | 8.4 | cpe:2.3:a:natus:sleepworks:8.4:-:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://partner.natus.com/m/7cd3bcca88e446d4/original/NeuroWorks-SleepWorks-Product-Security-Bulletin.pdf | Vendor Advisory |
| https://www.trustwave.com/hubfs/Web/Library/Advisories_txt/TWSL2023-006.txt | Exploit Third Party Advisory |