{"id":"CVE-2021-40170","aliases":["EUVD-2021-27355","GHSA-pq93-2733-562x"],"status":"published","title":"An RF replay attack vulnerability in the SecuritasHome home alarm system, version HPGW-G 0.0.2...","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.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00912,"percentile":0.60349,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-294"],"published":"2021-12-15T06:47:03Z","modified":"2026-06-17T04:06:37Z","products":[{"vendor":"securitashome","product":"securitashome_alarm_system_firmware"}],"references":[{"url":"https://www.securitashome.se/product.html/securitashome","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.diva-portal.org/smash/get/diva2:1600180/FULLTEXT04.pdf","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40170"},{"url":"https://github.com/advisories/GHSA-pq93-2733-562x"}],"sources":{"cve":[{"id":"CVE-2021-40170","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.","status":"published","published":"2021-12-15T06:47:03Z","modified":"2024-08-04T02:27:31.504Z","updated_at":"2026-11-02T14:33:01.852999Z"}],"euvd":[{"id":"EUVD-2021-27355","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.","status":"published","published":"2021-12-15T06:47:03Z","modified":"2024-08-04T02:27:31Z","updated_at":"2026-11-03T03:24:20.862157Z"}],"ghsa":[{"id":"GHSA-pq93-2733-562x","title":"An RF replay attack vulnerability in the SecuritasHome home alarm system, version HPGW-G 0.0.2...","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.","status":"published","published":"2021-12-16T00:02:19Z","modified":"2023-02-01T05:06:56Z","cwes":["CWE-294"],"updated_at":"2026-11-02T14:50:27.414775Z"}],"nvd":[{"id":"CVE-2021-40170","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.","status":"published","published":"2021-12-15T07:15:07.083Z","modified":"2026-06-17T04:06:37.843Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}