CVE-2023-47800
CWE-798Published: November 10, 2023· Updated: Jun 17, 2026
Official 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.
Risk Analysis
Natus NeuroWorks and SleepWorks versions before 8.4 GMA3 use a default password for the MSSQL 'sa' account. This critical vulnerability allows remote attackers to gain full control over the database, leading to code execution or data destruction.
No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable.
Upgrade to version 8.4 GMA3 or later and immediately change all default administrative passwords.
Technical Analysis
CVE-2023-47800 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-798)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-47800 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts