Apache Libcloud before 0.11.1 uses an incorrect regular expression during verification of whether the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
AV:N/AC:M/Au:N/C:P/I:P/A:N
This vulnerability has a 1.22% probability of being exploited in the next 30 days, ranking higher than 68% of all scored CVEs.
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