{"id":"CVE-2021-40171","aliases":["EUVD-2021-27356","GHSA-qj58-grv4-q5px"],"status":"published","title":"The absence of notifications regarding an ongoing RF jamming attack in the SecuritasHome home...","description":"The absence of notifications regarding an ongoing RF jamming attack 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 block legitimate traffic while not alerting the owner of the system.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00955,"percentile":0.61644,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-12-15T06:45:38Z","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_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40171"},{"url":"https://github.com/advisories/GHSA-qj58-grv4-q5px"}],"sources":{"cve":[{"id":"CVE-2021-40171","description":"The absence of notifications regarding an ongoing RF jamming attack 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 block legitimate traffic while not alerting the owner of the system.","status":"published","published":"2021-12-15T06:45:38Z","modified":"2024-08-04T02:27:31.561Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-27356","description":"The absence of notifications regarding an ongoing RF jamming attack 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 block legitimate traffic while not alerting the owner of the system.","status":"published","published":"2021-12-15T06:45:38Z","modified":"2024-08-04T02:27:31Z","updated_at":"2026-11-03T03:24:20.862157Z"}],"ghsa":[{"id":"GHSA-qj58-grv4-q5px","title":"The absence of notifications regarding an ongoing RF jamming attack in the SecuritasHome home...","description":"The absence of notifications regarding an ongoing RF jamming attack 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 block legitimate traffic while not alerting the owner of the system.","status":"published","published":"2021-12-16T00:02:19Z","modified":"2023-09-28T18:30:42Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T14:54:46.99514Z"}],"nvd":[{"id":"CVE-2021-40171","description":"The absence of notifications regarding an ongoing RF jamming attack 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 block legitimate traffic while not alerting the owner of the system.","status":"published","published":"2021-12-15T07:15:07.13Z","modified":"2026-06-17T04:06:37.96Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}