Vulnerability DatabaseCVE-2015-5331
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2015-5331
Published:February 22, 2016
Updated:May 17, 2026
Moodle 2.9.x before 2.9.3 does not properly check the contact list before authorizing message transmission, which allows remote authenticated users to bypass intended access restrictions and conduct spam attacks via the messaging API.
Affected Packages
moodle/moodle (PHP):
Affected version(s) >=v2.9.0 <v2.9.3
Fix Suggestion:
Update to version v2.9.3
Related Resources (5)
https://moodle.org/mod/forum/discuss.php?d=323228
https://github.com/moodle/moodle
https://github.com/moodle/moodle/commit/cd0c9ac87d75b3d893d61df21e3ecfd12c065c1f
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50426
https://nvd.nist.gov/vuln/detail/CVE-2015-5331
Do you need more information?
Contact Us
CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
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
NONE
Integrity
LOW
Availability
NONE
EPSS
Base Score:
0.18