How severe is CVE-2023-1751?

CVE-2023-1751 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-1751 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1751?

CVE-2023-1751 primarily affects Getnexx Nxal-100 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-1751?

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

When was CVE-2023-1751 published?

CVE-2023-1751 was published on 2023-04-04 and last updated on 2026-06-17.

CVE-2023-1751

CVE-2023-1751 is a high-severity vulnerability in Getnexx Nxal-100 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Getnexx Nxal-100 Firmware
Published: 2023-04-04
Last modified: 2026-06-17

Description

The listed versions of Nexx Smart Home devices use a WebSocket server that does not validate if the bearer token in the Authorization header belongs to the device attempting to associate. This could allow any authorized user to receive alarm information and signals meant for other devices which leak a deviceId.

Frequently asked questions

What is CVE-2023-1751?: The listed versions of Nexx Smart Home devices use a WebSocket server that does not validate if the bearer token in the Authorization header belongs to the device attempting to associate. This could allow any authorized user to receive alarm information and signals meant for other devices which leak a deviceId.
How severe is CVE-2023-1751?: CVE-2023-1751 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-1751 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1751?: CVE-2023-1751 primarily affects Getnexx Nxal-100 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-1751?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-1751 published?: CVE-2023-1751 was published on 2023-04-04 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-094-01

Affected products (4)

cpe:2.3:o:getnexx:nxal-100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:getnexx:nxg-100b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:getnexx:nxpg-100w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:getnexx:nxg-200_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Getnexx Nxal-100 Firmware

CVE-2023-1748 — Critical (CVSS 9.3): The listed versions of Nexx Smart Home devices use hard-coded credentials. An attacker with unauthenticated access to…
CVE-2023-1752 — High (CVSS 8.1): The listed versions of Nexx Smart Home devices could allow any user to register an already registered alarm or…
CVE-2023-1750 — High (CVSS 7.1): The listed versions of Nexx Smart Home devices lack proper access control when executing actions. An attacker with a…
CVE-2023-1749 — Medium (CVSS 6.5): The listed versions of Nexx Smart Home devices lack proper access control when executing actions. An attacker with a…

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