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.
References (5)
Core 5
Scores
CVSS v3
6.5
EPSS
0.0019
EPSS Percentile
8.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-348
Status
published
Products (1)
OfflineIMAP/OfflineIMAP
< 8.0.3
Published
Jun 08, 2026
Tracked Since
Jun 08, 2026