CVE-2020-37248
Medium · 6.5CVSS
6.5
EPSS
0.2%
Published
Jun 8, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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