CVE-2016-2151
Published:May 22, 2016
Updated:September 21, 2026
user/index.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 grants excessive authorization on the basis of the moodle/course:viewhiddenuserfields capability, which allows remote authenticated users to discover student e-mail addresses by leveraging the teacher role and reading a Participants list.
Affected Packages
moodle/moodle (PHP):
Affected version(s) >=v2.8.0 <v2.8.11Fix Suggestion:
Update to version v2.8.11moodle/moodle (PHP):
Affected version(s) >=v2.9.0 <v2.9.5Fix Suggestion:
Update to version v2.9.5moodle/moodle (PHP):
Affected version(s) >=dev-MDL-72683-Assignment-listing-when-sorted-by-last-name-lacks-secondary-sort-key <v2.7.13Fix Suggestion:
Update to version v2.7.13moodle/moodle (PHP):
Affected version(s) >=v3.0.0 <v3.0.3Fix Suggestion:
Update to version v3.0.3Related Resources (12)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Exposure of Sensitive Information to an Unauthorized Actor
EPSS
Base Score:
1.69