{"id":"CVE-2023-0971","aliases":["EUVD-2023-12956","GHSA-25x7-989g-366h"],"status":"published","title":"Command Authentication Bypass in Z/IP Gateway","description":"A logic error in SiLabs Z/IP Gateway SDK 7.18.02 and earlier allows authentication to be bypassed, remote administration of Z-Wave controllers, and S0/S2 encryption keys to be recovered.","severity":{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0025,"percentile":0.16455,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-268","CWE-269","CWE-863"],"published":"2023-06-21T19:42:25Z","modified":"2026-06-17T05:26:46Z","products":[{"vendor":"silabs","product":"z\\/ip_gateway_sdk"},{"vendor":"silicon labs","product":"z/ip gateway"}],"references":[{"url":"https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000V6HZzQAN?operationContext=S1","tags":["x_transferred","Permissions Required"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0971"},{"url":"https://github.com/advisories/GHSA-25x7-989g-366h"}],"sources":{"cve":[{"id":"CVE-2023-0971","title":"Command Authentication Bypass in Z/IP Gateway","description":"A logic error in SiLabs Z/IP Gateway SDK 7.18.02 and earlier allows authentication to be bypassed, remote administration of Z-Wave controllers, and S0/S2 encryption keys to be recovered.","status":"published","published":"2023-06-21T19:42:25.906Z","modified":"2024-12-06T18:27:23.817Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-863","CWE-268"],"updated_at":"2026-11-02T14:35:34.923818Z"}],"euvd":[{"id":"EUVD-2023-12956","description":"A logic error in SiLabs Z/IP Gateway SDK 7.18.02 and earlier allows authentication to be bypassed, remote administration of Z-Wave controllers, and S0/S2 encryption keys to be recovered.","status":"published","published":"2023-06-21T19:42:25Z","modified":"2024-12-06T18:27:23Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:04:39.149757Z"}],"ghsa":[{"id":"GHSA-25x7-989g-366h","title":"A logic error in SiLabs Z/IP Gateway SDK 7.18.02 and earlier allows authentication to be bypassed...","description":"A logic error in SiLabs Z/IP Gateway SDK 7.18.02 and earlier allows authentication to be bypassed, remote administration of Z-Wave controllers, and S0/S2 encryption keys to be recovered.","status":"published","published":"2023-06-21T21:30:24Z","modified":"2024-09-27T18:32:21Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-268","CWE-269","CWE-863"],"updated_at":"2026-11-02T14:58:21.889894Z"}],"nvd":[{"id":"CVE-2023-0971","description":"A logic error in SiLabs Z/IP Gateway SDK 7.18.02 and earlier allows authentication to be bypassed, remote administration of Z-Wave controllers, and S0/S2 encryption keys to be recovered.","status":"published","published":"2023-06-21T20:15:09.943Z","modified":"2026-06-17T05:26:46.247Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-268","CWE-863"],"updated_at":"2026-11-02T14:08:12.414559Z"}]}}