CVE-2020-37248: OfflineIMAP vulnerability
OfflineIMAP
Fixed in 8.0.3 · Affected: OfflineIMAP before 8.0.3 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 8% of scored CVEs
DescriptionCVE.org
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 products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- OfflineIMAP · OfflineIMAPbefore 8.0.3
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Published
- June 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2020-37248 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.
References
- NVD entrynvd.nist.gov
- CVE recordcve.org
- Weakness CWE-348cwe.mitre.org
- github.com/OfflineIMAP/offlineimap3/commit/46505c53ef995455d66c6github.com
- github.com/OfflineIMAP/offlineimap3/issues/222github.com
- github.com/OfflineIMAP/offlineimap/issues/669github.com
- pypi.org/project/offlineimap/#historypypi.org
- openwall.com/lists/oss-security/2026/06/08/3openwall.com