Mutt before 2.0.2 and NeoMutt before 2020-11-20 did not ensure that $ssl_force_tls was processed if an IMAP server's initial server response was invalid. The connection was not properly closed, and the code could continue attempting to authenticate. This could result in authentication credentials being exposed on an unencrypted connection, or to a machine-in-the-middle.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-11-23T18:52:13

Updated: 2024-08-04T16:41:00.128Z

Reserved: 2020-11-17T00:00:00

Link: CVE-2020-28896

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2020-11-23T19:15:11.413

Modified: 2021-07-21T11:39:23.747

Link: CVE-2020-28896

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-11-20T00:00:00Z

Links: CVE-2020-28896 - Bugzilla