CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:N/A:N
EPSS
Percentile
52.7%
lib/classes/grades_external.php in Moodle 2.7.x before 2.7.3 does not
consider the moodle/grade:viewhidden capability before displaying hidden
grades, which allows remote authenticated users to obtain sensitive
information by leveraging the student role to access the get_grades web
service.