CVE-2015-5331 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Reference

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50426 https://moodle.org/mod/forum/discuss.php?d=323228

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

4.3