{"id":"CVE-2020-28952","aliases":["EUVD-2020-21338","GHSA-xx3m-cmqv-q6w6"],"status":"published","title":"An issue was discovered on Athom Homey and Homey Pro devices before 5.0.0. ZigBee hub devices...","description":"An issue was discovered on Athom Homey and Homey Pro devices before 5.0.0. ZigBee hub devices should generate a unique Standard Network Key that is then exchanged with all enrolled devices so that all inter-device communication is encrypted. However, the cited Athom products use another widely known key that is designed for testing purposes: \"01030507090b0d0f00020406080a0c0d\" (the decimal equivalent of 1 3 5 7 9 11 13 15 0 2 4 6 8 10 12 13), which is human generated and static across all issued devices.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01304,"percentile":0.70715,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2021-03-09T19:31:33Z","modified":"2026-06-17T03:10:54Z","products":[{"vendor":"homey","product":"homey_firmware"},{"vendor":"homey","product":"homey_pro_firmware"}],"references":[{"url":"https://developer.athom.com/firmware","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://homey.app/en-us/","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://yougottahackthat.com/blog/1260/athom-homey-security-static-and-well-known-keys-cve-2020-28952","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28952"},{"url":"https://github.com/advisories/GHSA-xx3m-cmqv-q6w6"}],"sources":{"cve":[{"id":"CVE-2020-28952","description":"An issue was discovered on Athom Homey and Homey Pro devices before 5.0.0. ZigBee hub devices should generate a unique Standard Network Key that is then exchanged with all enrolled devices so that all inter-device communication is encrypted. However, the cited Athom products use another widely known key that is designed for testing purposes: \"01030507090b0d0f00020406080a0c0d\" (the decimal equivalent of 1 3 5 7 9 11 13 15 0 2 4 6 8 10 12 13), which is human generated and static across all issued devices.","status":"published","published":"2021-03-09T19:31:33Z","modified":"2024-08-04T16:48:01.456Z","updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2020-21338","description":"An issue was discovered on Athom Homey and Homey Pro devices before 5.0.0. ZigBee hub devices should generate a unique Standard Network Key that is then exchanged with all enrolled devices so that all inter-device communication is encrypted. However, the cited Athom products use another widely known key that is designed for testing purposes: \"01030507090b0d0f00020406080a0c0d\" (the decimal equivalent of 1 3 5 7 9 11 13 15 0 2 4 6 8 10 12 13), which is human generated and static across all issued devices.","status":"published","published":"2021-03-09T19:31:33Z","modified":"2024-08-04T16:48:01Z","updated_at":"2026-11-03T03:07:08.475588Z"}],"ghsa":[{"id":"GHSA-xx3m-cmqv-q6w6","title":"An issue was discovered on Athom Homey and Homey Pro devices before 5.0.0. ZigBee hub devices...","description":"An issue was discovered on Athom Homey and Homey Pro devices before 5.0.0. ZigBee hub devices should generate a unique Standard Network Key that is then exchanged with all enrolled devices so that all inter-device communication is encrypted. However, the cited Athom products use another widely known key that is designed for testing purposes: \"01030507090b0d0f00020406080a0c0d\" (the decimal equivalent of 1 3 5 7 9 11 13 15 0 2 4 6 8 10 12 13), which is human generated and static across all issued devices.","status":"published","published":"2022-05-24T17:43:51Z","modified":"2023-01-29T05:05:57Z","cwes":["CWE-798"],"updated_at":"2026-11-02T14:45:54.702484Z"}],"nvd":[{"id":"CVE-2020-28952","description":"An issue was discovered on Athom Homey and Homey Pro devices before 5.0.0. ZigBee hub devices should generate a unique Standard Network Key that is then exchanged with all enrolled devices so that all inter-device communication is encrypted. However, the cited Athom products use another widely known key that is designed for testing purposes: \"01030507090b0d0f00020406080a0c0d\" (the decimal equivalent of 1 3 5 7 9 11 13 15 0 2 4 6 8 10 12 13), which is human generated and static across all issued devices.","status":"published","published":"2021-03-09T20:15:12.68Z","modified":"2026-06-17T03:10:54.24Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:06:37.687844Z"}]}}