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CVE-2021-40170 Details

Description

An RF replay attack vulnerability in the SecuritasHome home alarm system, version HPGW-G 0.0.2.23F BG_U-ITR-F1-BD_BL.A30.20181117, allows an attacker to trigger arbitrary system functionality by replaying previously recorded signals. This lets an adversary, among other things, disarm an armed system.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.8 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.diva-portal.org/smash/get/diva2:1600180/FULLTEXT04.pdf	CVE	ExploitTechnical DescriptionThird Party Advisory
https://www.securitashome.se/product.html/securitashome	CVE	Vendor Advisory
https://www.diva-portal.org/smash/get/diva2:1600180/FULLTEXT04.pdf	[email protected]	ExploitTechnical DescriptionThird Party Advisory
https://www.securitashome.se/product.html/securitashome	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-294	Authentication Bypass by Capture-replay	[email protected]

Affected Products

Product	Versions
securitashome securitashome alarm system firmware	hpgw-g_0.0.2.23f_bg_u-itr-f1-bd_bl.a30.20181117
CPE cpe:2.3:o:securitashome:securitashome_alarm_system_firmware:hpgw-g_0.0.2.23f_bg_u-itr-f1-bd_bl.a30.20181117:::::::* Remediation No remediation found in references.
securitashome securitashome alarm system	All versions
CPE cpe:2.3:h:securitashome:securitashome_alarm_system:-:::::::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jan 6, 2022	Initial Analysis	[email protected]