{"id":"CVE-2021-38373","details":"In KDE KMail 19.12.3 (aka 5.13.3), the SMTP STARTTLS option is not honored (and cleartext messages are sent) unless \"Server requires authentication\" is checked.","modified":"2025-11-14T12:13:15.861973Z","published":"2021-08-10T15:15:08.390Z","references":[{"type":"ARTICLE","url":"https://bugs.kde.org/show_bug.cgi?id=423423"},{"type":"ADVISORY","url":"https://nostarttls.secvuln.info"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/kde/kmail","events":[{"introduced":"0"},{"last_affected":"75e8d32a308490cc26f246e98f8f15438b0e7b50"}]}],"versions":["v16.11.80","v16.11.90","v16.12.0","v16.12.1","v16.12.2","v16.12.3","v17.03.80","v17.03.90","v17.04.0","v17.04.1","v17.04.2","v17.04.3","v17.07.80","v17.07.90","v17.08.0","v17.08.1","v17.08.2","v17.08.3","v17.11.80","v17.11.90","v17.12.0","v17.12.1","v17.12.2","v17.12.3","v18.03.80","v18.03.90","v18.04.0","v18.04.1","v18.04.2","v18.07.80","v18.07.90","v18.08.0","v18.08.1","v18.08.2","v18.08.3","v18.11.80","v18.11.90","v18.12.0","v18.12.1","v18.12.2","v18.12.3","v19.03.80","v19.03.90","v19.04.0","v19.04.1","v19.04.2","v19.07.80","v19.07.90","v19.08.0","v19.08.1","v19.08.2","v19.11.80","v19.11.90","v19.12.0","v19.12.1","v19.12.2","v19.12.3"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-38373.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}