5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.003 Low
EPSS
Percentile
71.2%
aMSN (aka Alvaro’s Messenger) 0.98.3 and earlier, when SSL is used, does
not verify that the server hostname matches a domain name in the subject’s
Common Name (CN) field or a Subject Alternative Name field of the X.509
certificate, which allows man-in-the-middle attackers to spoof an MSN
server via an arbitrary certificate.