
Find real vulnerabilities before they ship
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.
Base Score
7.5| Base Score | 7.5 |
|---|---|
| Vector String | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Base Severity | High |
| Version | 3.1 |
| Attack Vector (AV) | NETWORK |