Use of Less Trusted Source Affecting offlineimap package, versions [,8.0.3)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-PYTHON-OFFLINEIMAP-17675646
- published29 Jun 2026
- disclosed8 Jun 2026
- creditUnknown
Introduced: 8 Jun 2026
NewCVE-2020-37248 (opens in a new tab)How to fix?
Upgrade offlineimap to version 8.0.3 or higher.
Overview
offlineimap is an IMAP synchronization tool
Affected versions of this package are vulnerable to Use of Less Trusted Source due to trusting the server's STARTTLS capability before authentication. An attacker can intercept and manipulate the connection by performing a man-in-the-middle attack, potentially extracting account credentials in cleartext.