Dovecot 2.0.x before 2.0.16, when ssl or starttls is enabled and hostname is used to define the proxy destination, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via a valid certificate for a different hostname.
2013-03-07T01:55:01.617
2025-04-11T00:51:21.963
Deferred
CVSSv2: 5.8 (MEDIUM)
AV:N/AC:M/Au:N/C:P/I:P/A:N
8.6
4.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | dovecot | dovecot | 2.0.0 | Yes |
Application | dovecot | dovecot | 2.0.1 | Yes |
Application | dovecot | dovecot | 2.0.2 | Yes |
Application | dovecot | dovecot | 2.0.3 | Yes |
Application | dovecot | dovecot | 2.0.4 | Yes |
Application | dovecot | dovecot | 2.0.5 | Yes |
Application | dovecot | dovecot | 2.0.6 | Yes |
Application | dovecot | dovecot | 2.0.7 | Yes |
Application | dovecot | dovecot | 2.0.8 | Yes |
Application | dovecot | dovecot | 2.0.9 | Yes |
Application | dovecot | dovecot | 2.0.10 | Yes |
Application | dovecot | dovecot | 2.0.11 | Yes |
Application | dovecot | dovecot | 2.0.12 | Yes |
Application | dovecot | dovecot | 2.0.13 | Yes |
Application | dovecot | dovecot | 2.0.14 | Yes |
Application | dovecot | dovecot | 2.0.15 | Yes |