What is CVE-2023-47800?

CVE-2023-47800 is a critical-severity vulnerability in Natus Neuroworks Eeg, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-11-10.

How severe is CVE-2023-47800?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Natus Neuroworks Eeg

CVE-2023-47800

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.

Published 2023-11-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.7th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Natus Neuroworks Eeg — versions 8.4
Natus Sleepworks — versions 8.4

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

www.trustwave.com/hubfs/Web/Library/Advisories_txt/TWSL2023-006.txt (Exploit, Third Party Advisory)
partner.natus.com/m/7cd3bcca88e446d4/original/NeuroWorks-SleepWorks-Product-Sec… (Vendor Advisory)

Frequently asked questions

What is CVE-2023-47800?: CVE-2023-47800 is a critical-severity vulnerability in Natus Neuroworks Eeg, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-11-10.
How severe is CVE-2023-47800?: Critical severity. CVSS v3 base score is 9.8 out of 10.