{"id":"CVE-2021-42850","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-42850","generatedAt":"2026-10-27T19:57:00.748Z","title":"A weak default administrator password for the web interface and serial port was reported in some Lenovo Personal Cloud Storage devices that could allow unauthorized device access to an attacker with physical or local network access.","description":"A weak default administrator password for the web interface and serial port was reported in some Lenovo Personal Cloud Storage devices that could allow unauthorized device access to an attacker with physical or local network access.","published":"2022-05-18T16:15:08.000Z","lastModified":"2026-06-17T04:10:12.000Z","status":"Modified","sourceIdentifier":"psirt@lenovo.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-798"],"affected":["lenovo/a1 firmware","lenovo/t1 firmware","lenovo/x1 firmware","lenovo/t2 firmware","lenovo/t2pro firmware"],"epss":{"score":0.00243,"percentile":0.15319,"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 (0.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://iknow.lenovo.com.cn/detail/dc_200017.html","tags":["Vendor Advisory"],"source":"psirt@lenovo.com"},{"url":"https://iknow.lenovo.com.cn/detail/dc_200017.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-42850","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."}