{"id":"CVE-2020-28998","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-28998","generatedAt":"2026-10-27T22:33:27.330Z","title":"A vulnerability exists in the Telnet service that allows a remote attacker to take full control of the device with a high-privileged account.","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.","published":"2021-01-26T18:15:51.000Z","lastModified":"2026-06-17T03:10:57.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-798"],"affected":["mygeeni/gnc-cw013 firmware"],"epss":{"score":0.02879,"percentile":0.86747,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.88%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://gist.github.com/tj-oconnor/e21adcf9c0539a12ad2841102928cbd5","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://support.mygeeni.com/hc/en-us","tags":["Product"],"source":"cve@mitre.org"},{"url":"https://gist.github.com/tj-oconnor/e21adcf9c0539a12ad2841102928cbd5","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.mygeeni.com/hc/en-us","tags":["Product"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-28998","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}