CVE-2020-37248
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
Jun 08, 2026
Vendor
unknown
Description
OfflineIMAP before 8.0.3 trusts the server with their STARTTLS capability prior to authentication, which allows STRIPTLS/man-in-the-middle attacks, taking over the connection and extracting account credentials in cleartext.