In Alpine before 2.25, untagged responses from an IMAP server are accepted before STARTTLS.
https://security.gentoo.org/glsa/202301-07
https://nostarttls.secvuln.info
https://bugs.gentoo.org/807613#c4
https://alpine.x10host.com
Source: Mitre, NVD
Published: 2021-08-10
Updated: 2023-01-13
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 5.9
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N