In MailStore Outlook Add-in (and Email Archive Outlook Add-in) through 12.1.2, the login process does not validate the validity of the certificate presented by the server.
https://help.mailstore.com/security/MAILSTORE-SA-2020-01.txt
Source: Mitre, NVD
Published: 2020-04-23
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 5.9
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.00148