CVE-2020-37248

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Summary

CVECVE-2020-37248
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-08 16:16:33 UTC
Updated2026-06-08 16:16:33 UTC
DescriptionOfflineIMAP 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.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

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

Problem Types: CWE-348 | CWE-348 CWE-348 Use of Less Trusted Source

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
3.1CNACVSS6.5MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA OfflineIMAP OfflineIMAP affected 8.0.3 semver Not specified

References

ReferenceSourceLinkTags
github.com/OfflineIMAP/offlineimap3/issues/222 [email protected] github.com
pypi.org/project/offlineimap [email protected] pypi.org
github.com/OfflineIMAP/offlineimap/issues/669 [email protected] github.com
github.com/OfflineIMAP/offlineimap3/commit/46505c53ef995455d66c685f9ec3f... [email protected] github.com
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