Vulnerability in Securitashome Alarm System
CVE-2021-40170
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.
EPSS: 0.009 (55.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H.
Affected products
- Securitashome Securitashome_alarm_system
- Securitashome Securitashome_alarm_system_firmware — versions hpgw-g_0.0.2.23f_bg_u-itr-f1-bd_bl.a30.20181117
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Technical Description, x_refsource_CONFIRM, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-40170?
- CVE-2021-40170 is a medium-severity vulnerability in Securitashome Alarm System, classified under Authentication Bypass by Capture-replay. CVSS score: 6.8/10. Published 2021-12-15.
- How severe is CVE-2021-40170?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2021-40170 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.