CVE-2023-47800

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-11-10 · updated 2026-06-17
Weakness: CWE-798

Description

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.

Affected products

Natus Neuroworks Eeg: before 8.4; 8.4 — fixed in 8.4
Natus Sleepworks: before 8.4; 8.4 — fixed in 8.4

How to fix

Upgrade to a fixed version: Natus Neuroworks Eeg 8.4; Natus Sleepworks 8.4. Check the vendor advisory for mitigations.

References

https://partner.natus.com/m/7cd3bcca88e446d4/original/NeuroWorks-SleepWorks-Product-Security-Bulletin.pdf
https://www.trustwave.com/hubfs/Web/Library/Advisories_txt/TWSL2023-006.txt
https://partner.natus.com/m/7cd3bcca88e446d4/original/NeuroWorks-SleepWorks-Product-Security-Bulletin.pdf
https://www.trustwave.com/hubfs/Web/Library/Advisories_txt/TWSL2023-006.txt

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