{"id":"CVE-2017-12778","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-12778","generatedAt":"2026-10-28T20:10:57.594Z","title":"The UI Lock feature in qBittorrent version 3.3.15 is vulnerable to Authentication Bypass, which allows Attack to gain unauthorized access to qBittorrent functions by tampering the affected flag value of the config file at the…","description":"The UI Lock feature in qBittorrent version 3.3.15 is vulnerable to Authentication Bypass, which allows Attack to gain unauthorized access to qBittorrent functions by tampering the affected flag value of the config file at the C:\\Users\\<username>\\Roaming\\qBittorrent pathname. The attacker must change the value of the \"locked\" attribute to \"false\" within the \"Locking\" stanza. NOTE: This is an intended behavior. See https://github.com/qbittorrent/qBittorrent/wiki/I-forgot-my-UI-lock-password","published":"2019-05-09T17:29:00.000Z","lastModified":"2026-06-17T01:03:55.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.1,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"},"cwe":["CWE-287"],"affected":["qbittorrent/qbittorrent"],"epss":{"score":0.00478,"percentile":0.41043,"date":"2026-10-27","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 (0.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://archive.is/eF2GR","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/qbittorrent/qBittorrent/wiki/I-forgot-my-UI-lock-password","source":"cve@mitre.org"},{"url":"https://medium.com/%40BaYinMin/cve-2017-12778-qbittorrent-ui-lock-authentication-bypass-30959ff55ada","source":"cve@mitre.org"},{"url":"http://archive.is/eF2GR","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/qbittorrent/qBittorrent/wiki/I-forgot-my-UI-lock-password","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://medium.com/%40BaYinMin/cve-2017-12778-qbittorrent-ui-lock-authentication-bypass-30959ff55ada","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-12778","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."}