{"id":"CVE-2020-28998","aliases":["EUVD-2020-21380","GHSA-4ghg-x23p-wp4h"],"status":"published","title":"An issue was discovered on Geeni GNC-CW013 doorbell 1.8.1 devices. A vulnerability exists in the...","description":"An issue was discovered on Geeni GNC-CW013 doorbell 1.8.1 devices. A vulnerability exists in the Telnet service that allows a remote attacker to take full control of the device with a high-privileged account. The vulnerability exists because a system account has a default and static password.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02879,"percentile":0.86957,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2021-01-26T01:22:15Z","modified":"2026-06-17T03:10:57Z","products":[{"vendor":"mygeeni","product":"gnc-cw013_firmware"}],"references":[{"url":"https://support.mygeeni.com/hc/en-us","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://gist.github.com/tj-oconnor/e21adcf9c0539a12ad2841102928cbd5","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28998"},{"url":"https://github.com/advisories/GHSA-4ghg-x23p-wp4h"}],"sources":{"cve":[{"id":"CVE-2020-28998","description":"An issue was discovered on Geeni GNC-CW013 doorbell 1.8.1 devices. A vulnerability exists in the Telnet service that allows a remote attacker to take full control of the device with a high-privileged account. The vulnerability exists because a system account has a default and static password.","status":"published","published":"2021-01-26T01:22:15Z","modified":"2024-08-04T16:48:01.251Z","updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2020-21380","description":"An issue was discovered on Geeni GNC-CW013 doorbell 1.8.1 devices. A vulnerability exists in the Telnet service that allows a remote attacker to take full control of the device with a high-privileged account. The vulnerability exists because a system account has a default and static password.","status":"published","published":"2021-01-26T01:22:15Z","modified":"2024-08-04T16:48:01Z","updated_at":"2026-11-03T03:07:08.475588Z"}],"ghsa":[{"id":"GHSA-4ghg-x23p-wp4h","title":"An issue was discovered on Geeni GNC-CW013 doorbell 1.8.1 devices. A vulnerability exists in the...","description":"An issue was discovered on Geeni GNC-CW013 doorbell 1.8.1 devices. A vulnerability exists in the Telnet service that allows a remote attacker to take full control of the device with a high-privileged account. The vulnerability exists because a system account has a default and static password.","status":"published","published":"2022-05-24T17:40:13Z","modified":"2023-01-29T05:06:15Z","cwes":["CWE-798"],"updated_at":"2026-11-02T14:45:59.056416Z"}],"nvd":[{"id":"CVE-2020-28998","description":"An issue was discovered on Geeni GNC-CW013 doorbell 1.8.1 devices. A vulnerability exists in the Telnet service that allows a remote attacker to take full control of the device with a high-privileged account. The vulnerability exists because a system account has a default and static password.","status":"published","published":"2021-01-26T18:15:51.35Z","modified":"2026-06-17T03:10:57.14Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:06:30.596418Z"}]}}