CVE-2020-37248

MediumCVSS 6.5/10Last modified Jul 23, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Weakness enumeration

CWE-348

Affected software

No affected versions have been published.

Timeline

Published: Jun 8, 2026
Last modified: Jul 23, 2026
NVD status: Deferred

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