If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent without protection. This vulnerability affects Thunderbird < 68.9.0.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2020-07-09T14:45:35

Updated: 2024-08-04T11:56:52.019Z

Reserved: 2020-04-28T00:00:00

Link: CVE-2020-12398

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-07-09T15:15:10.677

Modified: 2024-11-21T04:59:38.430

Link: CVE-2020-12398

cve-icon Redhat

Severity : Important

Publid Date: 2020-06-02T00:00:00Z

Links: CVE-2020-12398 - Bugzilla