{"id":"CVE-2021-45099","aliases":["EUVD-2021-31890","GHSA-p533-v77v-4gcf"],"status":"disputed","title":"** DISPUTED ** The addon.stdin service in addon-ssh (aka Home Assistant Community Add-on: SSH \u0026...","description":"The addon.stdin service in addon-ssh (aka Home Assistant Community Add-on: SSH \u0026 Web Terminal) before 10.0.0 has an attack surface that requires social engineering. NOTE: the vendor does not agree that this is a vulnerability; however, addon.stdin was removed as a defense-in-depth measure against complex social engineering situations","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01336,"percentile":0.71595,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-12-16T04:20:38Z","modified":"2026-10-20T10:54:11Z","products":[{"vendor":"ssh_\\\u0026_web_terminal_project","product":"ssh_\\\u0026_web_terminal"}],"references":[{"url":"https://github.com/hassio-addons/addon-ssh/releases/tag/v10.0.0","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://gist.github.com/Eriner/0872628519f70556d2c26c83439a9f67","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45099"},{"url":"https://github.com/advisories/GHSA-p533-v77v-4gcf"}],"sources":{"cve":[{"id":"CVE-2021-45099","description":"The addon.stdin service in addon-ssh (aka Home Assistant Community Add-on: SSH \u0026 Web Terminal) before 10.0.0 has an attack surface that requires social engineering. NOTE: the vendor does not agree that this is a vulnerability; however, addon.stdin was removed as a defense-in-depth measure against complex social engineering situations","status":"disputed","published":"2021-12-16T04:20:38Z","modified":"2024-11-18T19:59:49.312Z","updated_at":"2026-11-02T14:33:02.930115Z"}],"euvd":[{"id":"EUVD-2021-31890","description":"The addon.stdin service in addon-ssh (aka Home Assistant Community Add-on: SSH \u0026 Web Terminal) before 10.0.0 has an attack surface that requires social engineering. NOTE: the vendor does not agree that this is a vulnerability; however, addon.stdin was removed as a defense-in-depth measure against complex social engineering situations","status":"published","published":"2021-12-16T04:20:38Z","modified":"2024-11-18T19:59:49Z","updated_at":"2026-11-03T00:04:56.531722Z"}],"ghsa":[{"id":"GHSA-p533-v77v-4gcf","title":"** DISPUTED ** The addon.stdin service in addon-ssh (aka Home Assistant Community Add-on: SSH \u0026...","description":"** DISPUTED ** The addon.stdin service in addon-ssh (aka Home Assistant Community Add-on: SSH \u0026 Web Terminal) before 10.0.0 has an attack surface that requires social engineering. NOTE: the vendor does not agree that this is a vulnerability; however, addon.stdin was removed as a defense-in-depth measure against complex social engineering situations.","status":"published","published":"2021-12-17T00:00:31Z","modified":"2024-03-30T05:01:31Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:55:44.111751Z"}],"nvd":[{"id":"CVE-2021-45099","description":"The addon.stdin service in addon-ssh (aka Home Assistant Community Add-on: SSH \u0026 Web Terminal) before 10.0.0 has an attack surface that requires social engineering. NOTE: the vendor does not agree that this is a vulnerability; however, addon.stdin was removed as a defense-in-depth measure against complex social engineering situations","status":"disputed","published":"2021-12-16T05:15:08.777Z","modified":"2026-06-17T04:13:10.353Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:02.566991Z"}],"osv":[{"id":"CVE-2021-45099","description":"The addon.stdin service in addon-ssh (aka Home Assistant Community Add-on: SSH \u0026 Web Terminal) before 10.0.0 has an attack surface that requires social engineering. NOTE: the vendor does not agree that this is a vulnerability; however, addon.stdin was removed as a defense-in-depth measure against complex social engineering situations","status":"published","published":"2021-12-16T05:15:08.777Z","modified":"2026-10-20T10:54:11.493047146Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:21.877444Z"}]}}