CVE-2023-50128: alarm system (CVSS 5.3)

Description

The remote keyless system of the Hozard alarm system (alarmsystemen) v1.0 sends an identical radio frequency signal for each request, which results in an attacker being able to conduct replay attacks to bring the alarm system to a disarmed state.

Is your site exposed to CVE-2023-50128?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness Type (CWE)

CWE-294 CWE-294

Affected Products

Vendor	Product	Versions
hozard	alarm_system	All

References

Other References

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

Frequently Asked Questions

What is CVE-2023-50128? +

The remote keyless system of the Hozard alarm system (alarmsystemen) v1.0 sends an identical radio frequency signal for each request, which results in an attacker being able to conduct replay attacks to bring the alarm system to a disarmed state. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2023-50128? +

CVE-2023-50128 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-50128? +

CVE-2023-50128 affects products from hozard, specifically: alarm_system. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-50128? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-67581

Authentication Bypass by Capture-replay in ZenHive mpp allows an unauthenticated remote client to obtain paid resources by resubmitting one settled …

CVE-2026-53424

Authentication Bypass by Capture-replay vulnerability in dropbox samly allows an attacker to authenticate as the subject of a captured SAML …

CVE-2026-57574

Misskey is an open source, federated social media platform. Prior to 2026.6.0, Misskey contains a vulnerability in Time-based One-Time Password …

CVE-2026-87119

Authentication Bypass by Capture-replay in ZenHive mpp allows an attacker holding a captured subscription activation credential to charge the payer …

CVE-2025-1887

SMB forced authentication vulnerability in versions prior to 2025.35.000 of Sage 200 Spain. This vulnerability allows an authenticated attacker with …

CVE-2026-34021

The Wertheim SafeController 5400, Controller 5400 - AssemblyVersion 6.11.8130.22320, uses RS-485 communication between the server and the microcontroller without cryptographic …

CVE-2023-50128