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
EPSS
Percentile
39.6%
repository/s3/S3.php in the Amazon S3 library in Moodle through 2.2.11,
2.3.x before 2.3.9, 2.4.x before 2.4.6, and 2.5.x before 2.5.2 does not
verify that 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 an arbitrary
valid certificate, related to an incorrect CURLOPT_SSL_VERIFYHOST value.