Vulnerability Details : 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.
Products affected by CVE-2021-40170
- Securitashome » Securitashome Alarm System Firmware » Version: Hpgw-g 0.0.2.23f Bg U-itr-f1-bd Bl.a30.20181117cpe:2.3:o:securitashome:securitashome_alarm_system_firmware:hpgw-g_0.0.2.23f_bg_u-itr-f1-bd_bl.a30.20181117:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-40170
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-40170
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:P |
8.6
|
4.9
|
NIST | |
|
6.8
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H |
1.6
|
5.2
|
NIST |
CWE ids for CVE-2021-40170
-
A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-40170
-
https://www.diva-portal.org/smash/get/diva2:1600180/FULLTEXT04.pdf
Exploit;Technical Description;Third Party Advisory
-
https://www.securitashome.se/product.html/securitashome
SecuritasHome startpaket - securitasVendor Advisory
Jump to