How severe is CVE-2023-50123?

CVE-2023-50123 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-50123 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50123?

CVE-2023-50123 affects Hozard Alarm System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-50123?

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.

Does CVE-2023-50123 have an EU (EUVD) identifier?

Yes. CVE-2023-50123 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-54950.

When was CVE-2023-50123 published?

CVE-2023-50123 was published on 2024-01-11 and last updated on 2026-06-17.

CVE-2023-50123

CVE-2023-50123 is a high-severity vulnerability in Hozard Alarm System with a CVSS 3.x base score of 8.1. 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-307.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-54950
Weakness: CWE-307
Affected product: Hozard Alarm System
Published: 2024-01-11
Last modified: 2026-06-17

Description

The number of attempts to bring the Hozard Alarm system (alarmsystemen) v1.0 to a disarmed state is not limited. This could allow an attacker to perform a brute force on the SMS authentication, to bring the alarm system to a disarmed state.

Frequently asked questions

What is CVE-2023-50123?: The number of attempts to bring the Hozard Alarm system (alarmsystemen) v1.0 to a disarmed state is not limited. This could allow an attacker to perform a brute force on the SMS authentication, to bring the alarm system to a disarmed state.
How severe is CVE-2023-50123?: CVE-2023-50123 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-50123 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50123?: CVE-2023-50123 affects Hozard Alarm System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-50123?: 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.
Does CVE-2023-50123 have an EU (EUVD) identifier?: Yes. CVE-2023-50123 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-54950.
When was CVE-2023-50123 published?: CVE-2023-50123 was published on 2024-01-11 and last updated on 2026-06-17.

References

https://www.secura.com/services/iot/consumer-products/security-concerns-in-popular-smart-home-devices

Affected products (1)

cpe:2.3:a:hozard:alarm_system:1.0:*:*:*:*:*:*:*

More vulnerabilities in Hozard Alarm System

CVE-2023-50126 — Medium (CVSS 6.5): Missing encryption in the RFID tags of the Hozard alarm system (Alarmsysteem) v1.0 allow attackers to create a cloned…
CVE-2023-50127 — Medium (CVSS 5.9): Hozard alarm system (Alarmsysteem) v1.0 is vulnerable to Improper Authentication. Commands sent via the SMS…
CVE-2023-50125 — Medium (CVSS 5.9): A default engineer password set on the Hozard alarm system (Alarmsysteem) v1.0 allows an attacker to bring the alarm…
CVE-2023-50128 — Medium (CVSS 5.3): The remote keyless system of the Hozard alarm system (alarmsystemen) v1.0 sends an identical radio frequency signal for…

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