{"id":"CVE-2021-33515","details":"The submission service in Dovecot before 2.3.15 allows STARTTLS command injection in lib-smtp. Sensitive information can be redirected to an attacker-controlled address.","modified":"2026-04-02T06:59:54.326024Z","published":"2021-06-28T13:15:20.960Z","related":["ALSA-2022:1950","MGASA-2021-0557","SUSE-SU-2021:2122-1","SUSE-SU-2021:2123-1","SUSE-SU-2021:2124-1","openSUSE-SU-2021:0920-1","openSUSE-SU-2021:2123-1","openSUSE-SU-2024:10726-1","openSUSE-SU-2025:14715-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/09/msg00032.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202107-41"},{"type":"ADVISORY","url":"https://www.openwall.com/lists/oss-security/2021/06/28/2"},{"type":"ADVISORY","url":"https://dovecot.org/security"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dovecot/core","events":[{"introduced":"0"},{"fixed":"9f0cfb6426ad9384f24dab0e6d33806b7f2a2eaf"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"2.3.14.1"}]}}],"versions":["1.1.alpha1","1.1.alpha2","1.1.alpha4","1.1.alpha5","1.1.alpha6","1.1.beta1","1.1.beta10","1.1.beta11","1.1.beta12","1.1.beta13","1.1.beta14","1.1.beta16","1.1.beta2","1.1.beta3","1.1.beta4","1.1.beta5","1.1.beta6","1.1.beta8","1.1.beta9","1.1.rc1","1.1.rc2","1.1.rc3","1.1.rc4","1.1.rc5","1.1.rc6","1.1.rc7","1.1.rc8","1.2.alpha1","1.2.alpha2","1.2.alpha3","1.2.alpha4","1.2.alpha5","1.2.beta1","1.2.beta2","1.2.beta3","1.2.beta4","1.2.rc1","2.0.0","2.0.1","2.0.10","2.0.11","2.0.12","2.0.13","2.0.14","2.0.15","2.0.2","2.0.3","2.0.4","2.0.5","2.0.6","2.0.7","2.0.8","2.0.9","2.0.alpha1","2.0.alpha2","2.0.alpha3","2.0.beta1","2.0.beta2","2.0.beta3","2.0.beta4","2.0.beta5","2.0.beta6","2.0.rc1","2.0.rc2","2.0.rc3","2.0.rc4","2.0.rc5","2.0.rc6","2.1.0","2.1.1","2.1.10","2.1.11","2.1.12","2.1.13","2.1.14","2.1.15","2.1.16","2.1.2","2.1.3","2.1.4","2.1.5","2.1.6","2.1.7","2.1.8","2.1.9","2.1.alpha1","2.1.alpha2","2.1.beta1","2.1.rc1","2.1.rc2","2.1.rc3","2.1.rc4","2.1.rc5","2.1.rc6","2.1.rc7","2.2.0","2.2.1","2.2.10","2.2.11","2.2.12","2.2.13","2.2.13.rc1","2.2.14","2.2.14.rc1","2.2.15","2.2.16","2.2.16.rc1","2.2.17","2.2.17.rc1","2.2.17.rc2","2.2.18","2.2.19","2.2.19.rc1","2.2.19.rc2","2.2.2","2.2.20","2.2.20.rc1","2.2.21","2.2.21.1","2.2.21.2","2.2.21.2.2","2.2.22","2.2.22.rc1","2.2.23","2.2.23.1","2.2.24","2.2.24.1","2.2.24.2","2.2.25","2.2.25.1","2.2.25.2","2.2.25.3","2.2.25.4","2.2.25.4.2","2.2.25.rc1","2.2.26","2.2.26.0","2.2.27","2.2.28","2.2.28.rc1","2.2.28.rc2","2.2.29","2.2.29.1","2.2.29.rc1","2.2.3","2.2.30","2.2.30.1","2.2.30.2","2.2.30.rc1","2.2.31","2.2.31.rc1","2.2.32","2.2.32.rc1","2.2.32.rc2","2.2.33","2.2.33.1","2.2.33.2","2.2.33.rc1","2.2.34","2.2.35","2.2.36","2.2.36.1","2.2.36.3","2.2.36.4","2.2.36.rc1","2.2.4","2.2.5","2.2.6","2.2.7","2.2.8","2.2.9","2.2.alpha1","2.2.beta1","2.2.beta2","2.2.rc1","2.2.rc2","2.2.rc3","2.2.rc4","2.2.rc5","2.2.rc6","2.2.rc7","2.3.0","2.3.0.1","2.3.0.rc1","2.3.1","2.3.10","2.3.10.1","2.3.11.2","2.3.11.3","2.3.13","2.3.14","2.3.14.rc1","2.3.15","2.3.16","2.3.17","2.3.17.1","2.3.18","2.3.19","2.3.19.1","2.3.2","2.3.2.1","2.3.2.rc1","2.3.20","2.3.21","2.3.21.1","2.3.3","2.3.3.rc1","2.3.4","2.3.4.1","2.3.5","2.3.5.1","2.3.5.2","2.3.6","2.3.7","2.3.7.1","2.3.7.2","2.3.8","2.3.9","2.3.9.1","2.3.9.2","2.3.9.3","2.4.0","2.4.1","2.4.2","2.4.3","show"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33515.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}