How severe is CVE-2023-47800?

CVE-2023-47800 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-47800 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-47800?

CVE-2023-47800 primarily affects Natus Neuroworks Eeg. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-47800?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-47800 published?

CVE-2023-47800 was published on 2023-11-10 and last updated on 2026-06-17.

CVE-2023-47800

CVE-2023-47800 is a critical-severity vulnerability in Natus Neuroworks Eeg with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Natus Neuroworks Eeg
Published: 2023-11-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-47800?: CVE-2023-47800 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-47800 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-47800?: CVE-2023-47800 primarily affects Natus Neuroworks Eeg. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-47800?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-47800 published?: CVE-2023-47800 was published on 2023-11-10 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:natus:neuroworks_eeg:*:*:*:*:*:*:*:*
cpe:2.3:a:natus:neuroworks_eeg:8.4:-:*:*:*:*:*:*
cpe:2.3:a:natus:sleepworks:*:*:*:*:*:*:*:*
cpe:2.3:a:natus:sleepworks:8.4:-:*:*:*:*:*:*

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