CVE-2023-1751
📛 CVE Title
CVE-2023-1751
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.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- icscert
- CVSS severity
- HIGH
- CVSS score
- 7.5 / 10
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N- Effective score
- 7.5 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-20 Improper Input Validation - Reserved
- 2023-03-30
- Published
- 2023-04-04 18:54 UTC
- Last updated
- 2025-01-16 22:36 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/1xxx/CVE-2023-1751.json
- Linked Threat
- CVE-2023-1751 — CVE-2023-1751
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2023-04-04 17:15:07 UTC
- NVD last modified
- 2026-06-17 05:28:40 UTC
- NVD CVSS v3.1
- 7.5 / 10 HIGH source: ics-cert@hq.dhs.gov
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N- Exploitability subscore
- 3.9 / 10
- Impact subscore
- 3.6 / 10
- EPSS score
- 0.0059 (probability of exploitation in next 30 days)
- EPSS percentile
- 44.52% vs all CVEs — higher = more likely to be exploited, as of 2026-07-27
NVD / KEV / EPSS data refreshed 2026-07-28 08:11 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2023-23972 - Assigner
- icscert
- Published
- Apr 4, 2023, 4:54:06 PM
- Updated
- Jan 16, 2025, 9:36:44 PM
- EUVD base score (CVSS 3.1)
-
7.5 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - EUVD-reported EPSS
- 0.2700
- Vendors
- Nexx
- Products
-
Smart Alarm NXAL-100 (0 ≤nxal100v-p1-9-1)Smart Plug NXPG-100W (0 ≤nxpg100cv4-0-0)Garage Door Controller NXG-100B, NXG-200 (0 ≤nxg200v-p3-4-1)
- Aliases
-
GHSA-8j4q-8455-qxw3
ENISA 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.
EUVD references (1)
Affected products (3)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Nexx | Smart Alarm NXAL-100 |
0 (affected)
|
— |
| Nexx | Smart Plug NXPG-100W |
0 (affected)
|
— |
| Nexx | Garage Door Controller NXG-100B, NXG-200 |
0 (affected)
|
— |
Affected products — CPE 2.3 (8) NVD
NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.
cpe:2.3:o:getnexx:nxal-100_firmware:*:*:*:*:*:*:*:*cpe:2.3:h:getnexx:nxal-100:-:*:*:*:*:*:*:*cpe:2.3:o:getnexx:nxg-100b_firmware:*:*:*:*:*:*:*:*cpe:2.3:h:getnexx:nxg-100b:-:*:*:*:*:*:*:*cpe:2.3:o:getnexx:nxpg-100w_firmware:*:*:*:*:*:*:*:*cpe:2.3:h:getnexx:nxpg-100w:-:*:*:*:*:*:*:*cpe:2.3:o:getnexx:nxg-200_firmware:*:*:*:*:*:*:*:*cpe:2.3:h:getnexx:nxg-200:-:*:*:*:*:*:*:*
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
MITRE references (1) cveawg.mitre.org
Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
NVD-tagged references (2)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-094-01 ics-cert@hq.dhs.gov Third Party AdvisoryUS Government Resource
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-094-01 af854a3a-2127-422b-91ae-364da2661108 Third Party AdvisoryUS Government Resource
Remediations (17)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:access.redhat.com
Quick Links Downloads Help
2026-06-03 03:59 UTC -
web:docs.oracle.com
Oracle Critical Patch Update (CPU) October 2025 for Oracle Java SE Services: Java Management Release Date: October 21, 2025
2026-06-03 03:59 UTC -
web:gemini.google.com
Meet Gemini, Google's AI assistant. Get help with writing, planning, brainstorming, and more. Experience the power of generative AI.
2026-06-03 03:59 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-06-03 03:59 UTC -
web:msrc.microsoft.com
Access Microsoft Security Response Center's guide to address vulnerabilities, manage security risks, and keep your systems protected with the latest updates.
2026-06-03 03:59 UTC -
web:nvd.nist.gov
The NVD is the U.S. government repository of standards based vulnerability management data represented using the Security Content Automation Protocol (SCAP). This data enables automation of vulnerability management, security measurement, and compliance. The NVD includes databases of security checklist references, security-related software flaws, product names, and impact metrics. For ...
2026-06-03 03:59 UTC -
web:www.rapid7.com
Microsoft is publishing 66 new vulnerabilities today, which is far fewer than we've come to expect in recent months. However, the lone zero-day vulnerability this month demands attention.
2026-06-03 03:59 UTC -
web:www.securityweek.com
Microsoft has announced mitigations for CVE -2026-45585, a BitLocker bypass triggered via FsTx in Windows Recovery.
2026-05-22 05:40 UTC -
web:www.tomshardware.com
Microsoft released security update KB5034441 on Patch Tuesday to fix a BitLocker encryption bypass vulnerability affecting Windows 10 users. However, some users are experiencing an update failure ...
2026-05-22 05:40 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-22 05:40 UTC -
web:www.computerworld.com
Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...
2026-05-22 05:40 UTC -
web:attack.mitre.org
This mitigation can be implemented through the following measures: Regular Operating System Updates Implementation: Apply the latest Windows security updates monthly using WSUS (Windows Server Update Services) or a similar patch management solution. Configure systems to check for updates automatically and schedule reboots during maintenance ...
2026-05-22 05:40 UTC -
web:cybersecuritynews.com
No patch has been released yet; Microsoft has instead issued a multi-step manual mitigation guide while a formal security update is prepared. Windows BitLocker Security Bypass The vulnerability originates in WinRE's handling of the BootExecute registry value under HKLM\ControlSet001\Control\Session Manager.
2026-05-22 05:40 UTC -
web:www.linkedin.com
Microsoft Security Response Center has issued an emergency mitigation for a newly disclosed BitLocker bypass vulnerability known as "YellowKey," after security researchers publicly released ...
2026-05-22 05:40 UTC -
web:www.oracle.com
Critical Security Patch Updates Critical Security Patch Updates provide security patches for supported Oracle on-premises products. A Critical Security Patch Update provides targeted, high-priority security fixes in a smaller, more focused format, making them easier to apply with minimal disruption.
2026-05-22 05:40 UTC -
web:krebsonsecurity.com
October's Patch Tuesday also marks the final month that Microsoft will ship security updates for Windows 10 systems.
2026-05-22 05:40 UTC -
web:www.windowslatest.com
Microsoft has confirmed that the Windows 11 January 2026 Update is causing at least three major issues, rolling out fixes for two bugs.
2026-05-22 05:40 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2023-1751.json.
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