{"id":"CVE-2020-29189","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-29189","generatedAt":"2026-10-27T20:22:18.520Z","title":"Incorrect Access Control vulnerability in TerraMaster TOS <= 4.2.06 allows remote authenticated attackers to bypass read-only restriction and obtain full access to any folder within the NAS","description":"Incorrect Access Control vulnerability in TerraMaster TOS <= 4.2.06 allows remote authenticated attackers to bypass read-only restriction and obtain full access to any folder within the NAS","published":"2020-12-24T15:15:14.000Z","lastModified":"2026-07-09T01:16:44.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"},"cwe":[],"affected":["terra-master/tos"],"epss":{"score":0.01888,"percentile":0.79381,"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 (1.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.ihteam.net/advisory/terramaster-tos-multiple-vulnerabilities/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.ihteam.net/advisory/terramaster-tos-multiple-vulnerabilities/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-29189","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."}