{"schemaVersion":3,"id":"USN-4674-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"dovecot vulnerabilities\n\nIt was discovered that Dovecot incorrectly handled certain imap hibernation\ncommands. A remote authenticated attacker could possibly use this issue to\naccess other users' email. This issue only affected Ubuntu 18.04 LTS,\nUbuntu 20.04 LTS, and Ubuntu 20.10. (CVE-2020-24386)\n\nInnokentii Sennovskiy discovered that Dovecot incorrectly handled MIME\nparsing. A remote attacker could possibly use this issue to cause Dovecot\nto crash, resulting in a denial of service. (CVE-2020-25275)","dates":{"published":"2021-01-04T14:04:39.000Z","modified":"2026-04-22T10:10:11.712Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"dovecot","name":"dovecot","label":"dovecot","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/dovecot","purlType":"deb","versions":[{"text":"< 1:2.2.22-1ubuntu2.14","noFixRecorded":false,"fixedIn":null},{"text":"< 1:2.2.33.2-1ubuntu4.7","noFixRecorded":false,"fixedIn":null},{"text":"< 1:2.3.7.2-1ubuntu3.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:2.2.22-1ubuntu2.14 | < 1:2.2.33.2-1ubuntu4.7 | < 1:2.3.7.2-1ubuntu3.3","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4674-1","label":"ubuntu.com/security/notices/USN-4674-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-24386","label":"ubuntu.com/security/CVE-2020-24386","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-25275","label":"ubuntu.com/security/CVE-2020-25275","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2020-24386","CVE-2020-25275"],"downstream":[],"duplicates":[],"related":["CVE-2020-24386","CVE-2020-25275"]},"timeline":[{"kind":"published","date":"2021-01-04T14:04:39.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T10:10:11.712Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T23:38:10.703Z","stale":false,"partial":false}}