High severity7.7NVD Advisory· Published Mar 27, 2019· Updated Jun 17, 2026
CVE-2019-3814
CVE-2019-3814
Description
It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
26cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*range: >=1.1.0,<2.2.36.1
- (no CPE)range: <2.2.36.1, <2.3.4.1
- (no CPE)range: 2.2.36.1
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*+ 4 more
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- osv-coords17 versionspkg:rpm/opensuse/dovecot23&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/dovecot24&distro=openSUSE%20Tumbleweedpkg:rpm/suse/dovecot22&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/dovecot22&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/dovecot22&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/dovecot22&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/dovecot22&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/dovecot22&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/dovecot22&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/dovecot22&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/dovecot22&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/dovecot22&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/dovecot22&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/dovecot22&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/dovecot22&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/dovecot22&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/dovecot23&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015
< 2.3.16-1.6+ 16 more
- (no CPE)range: < 2.3.16-1.6
- (no CPE)range: < 2.4.0-1.1
- (no CPE)range: < 2.2.31-19.14.2
- (no CPE)range: < 2.2.31-19.14.2
- (no CPE)range: < 2.2.31-19.14.2
- (no CPE)range: < 2.2.31-19.14.2
- (no CPE)range: < 2.2.31-19.14.2
- (no CPE)range: < 2.2.31-19.14.2
- (no CPE)range: < 2.2.31-19.14.2
- (no CPE)range: < 2.2.31-19.14.2
- (no CPE)range: < 2.2.31-19.14.2
- (no CPE)range: < 2.2.31-19.14.2
- (no CPE)range: < 2.2.31-19.14.2
- (no CPE)range: < 2.2.31-19.14.2
- (no CPE)range: < 2.2.31-19.14.2
- (no CPE)range: < 2.2.31-19.14.2
- (no CPE)range: < 2.3.3-4.7.4
Patches
Vulnerability mechanics
References
7- www.dovecot.org/list/dovecot/2019-February/114575.htmlnvdExploitMailing ListVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.htmlnvdMailing ListThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingRelease NotesThird Party Advisory
- access.redhat.com/errata/RHSA-2019:3467nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/nvd
- security.gentoo.org/glsa/201904-19nvd
News mentions
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