6.8
MEDIUM
CVE-2021-40170
SecuritasHome Home Alarm System RF Replay Attack Vulnerability
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.

INFO

Published Date :

Dec. 15, 2021, 7:15 a.m.

Last Modified :

Nov. 21, 2024, 6:23 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

1.6
Public PoC/Exploit Available at Github

CVE-2021-40170 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-40170 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Securitashome securitashome_alarm_system_firmware
2 Securitashome securitashome_alarm_system
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-40170.

URL Resource
https://www.diva-portal.org/smash/get/diva2:1600180/FULLTEXT04.pdf Exploit Technical Description Third Party Advisory
https://www.securitashome.se/product.html/securitashome Vendor Advisory
https://www.diva-portal.org/smash/get/diva2:1600180/FULLTEXT04.pdf Exploit Technical Description Third Party Advisory
https://www.securitashome.se/product.html/securitashome Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

My master thesis: Ethical hacking of a smart home alarm system.

ethical-hacking iot-security security thesis latex

TeX Python

Updated: 3 years, 5 months ago
0 stars 1 fork 1 watcher
Born at : March 17, 2021, 3:17 p.m. This repo has been linked 2 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-40170 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-40170 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.diva-portal.org/smash/get/diva2:1600180/FULLTEXT04.pdf
    Added Reference https://www.securitashome.se/product.html/securitashome
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jan. 06, 2022

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H
    Changed Reference Type https://www.diva-portal.org/smash/get/diva2:1600180/FULLTEXT04.pdf No Types Assigned https://www.diva-portal.org/smash/get/diva2:1600180/FULLTEXT04.pdf Exploit, Technical Description, Third Party Advisory
    Changed Reference Type https://www.securitashome.se/product.html/securitashome No Types Assigned https://www.securitashome.se/product.html/securitashome Vendor Advisory
    Added CWE NIST CWE-294
    Added CPE Configuration AND OR *cpe:2.3:o:securitashome:securitashome_alarm_system_firmware:hpgw-g_0.0.2.23f_bg_u-itr-f1-bd_bl.a30.20181117:*:*:*:*:*:*:* OR cpe:2.3:h:securitashome:securitashome_alarm_system:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.24 }} -0.05%

score

0.44907

percentile

CVSS31 - Vulnerability Scoring System
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Latest DB Update: Jun. 01, 2025 3:39