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.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1667-1 dovecot security update
Debian DSA Debian DSA DSA-4385-1 dovecot security update
EUVD EUVD EUVD-2019-13437 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.
Ubuntu USN Ubuntu USN USN-3881-1 Dovecot vulnerability
Ubuntu USN Ubuntu USN USN-3881-2 Dovecot vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 11 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00202}

epss

{'score': 0.00534}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-04T19:19:18.590Z

Reserved: 2019-01-03T00:00:00

Link: CVE-2019-3814

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-03-27T13:29:01.337

Modified: 2024-11-21T04:42:35.823

Link: CVE-2019-3814

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-02-05T00:00:00Z

Links: CVE-2019-3814 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses