{"id":"CVE-2020-36517","aliases":["EUVD-2020-23995","GHSA-wj7x-544h-j3j3"],"status":"published","title":"An information leak in Nabu Casa Home Assistant Operating System and Home Assistant Supervised...","description":"An information leak in Nabu Casa Home Assistant Operating System and Home Assistant Supervised 2022.03 allows a DNS operator to gain knowledge about internal network resources via the hardcoded DNS resolver configuration.","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":"2026-11-11","score":0.02897,"percentile":0.87113,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-203"],"published":"2022-03-07T21:08:01Z","modified":"2026-10-24T10:50:39Z","products":[{"vendor":"home-assistant","product":"home-assistant"}],"references":[{"url":"https://github.com/home-assistant/plugin-dns/issues/70","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://github.com/home-assistant/plugin-dns/issues/64","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://github.com/home-assistant/plugin-dns/pull/59","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party 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Advisory","report"]},{"url":"https://github.com/home-assistant/plugin-dns/issues/50","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/home-assistant/plugin-dns/issues/22","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/home-assistant/plugin-dns/issues/20","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/home-assistant/plugin-dns/issues/17","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/home-assistant/plugin-dns/issues/6","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://community.home-assistant.io/t/ha-os-dns-setting-configuration-not-respected/356572","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36517"},{"url":"https://github.com/advisories/GHSA-wj7x-544h-j3j3"}],"sources":{"cve":[{"id":"CVE-2020-36517","description":"An information leak in Nabu Casa Home Assistant Operating System and Home Assistant Supervised 2022.03 allows a DNS operator to gain knowledge about internal network resources via the hardcoded DNS resolver configuration.","status":"published","published":"2022-03-07T21:08:01Z","modified":"2024-08-04T17:30:08.06Z","updated_at":"2026-11-02T14:35:55.128961Z"}],"euvd":[{"id":"EUVD-2020-23995","description":"An information leak in Nabu Casa Home Assistant Operating System and Home Assistant Supervised 2022.03 allows a DNS operator to gain knowledge about internal network resources via the hardcoded DNS resolver configuration.","status":"published","published":"2022-03-07T21:08:01Z","modified":"2024-08-04T17:30:08Z","updated_at":"2026-11-03T03:07:03.010139Z"}],"ghsa":[{"id":"GHSA-wj7x-544h-j3j3","title":"An information leak in Nabu Casa Home Assistant Operating System and Home Assistant Supervised...","description":"An information leak in Nabu Casa Home Assistant Operating System and Home Assistant Supervised 2022.03 allows a DNS operator to gain knowledge about internal network resources via the hardcoded DNS resolver configuration.","status":"published","published":"2022-03-11T00:02:35Z","modified":"2023-01-27T05:00:38Z","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"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:41:43.766328Z"}],"nvd":[{"id":"CVE-2020-36517","description":"An information leak in Nabu Casa Home Assistant Operating System and Home Assistant Supervised 2022.03 allows a DNS operator to gain knowledge about internal network resources via the hardcoded DNS resolver configuration.","status":"published","published":"2022-03-10T17:41:21.183Z","modified":"2026-06-17T03:15:38.077Z","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-203"],"updated_at":"2026-11-02T14:06:46.951463Z"}],"osv":[{"id":"CVE-2020-36517","description":"An information leak in Nabu Casa Home Assistant Operating System and Home Assistant Supervised 2022.03 allows a DNS operator to gain knowledge about internal network resources via the hardcoded DNS resolver configuration.","status":"published","published":"2022-03-10T17:41:21.183Z","modified":"2026-10-24T10:50:39.531645805Z","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"}],"updated_at":"2026-11-02T15:44:16.936975Z"}]}}