CVE-2015-5331

MEDIUM

Moodle 2.9.x <2.9.3 - Auth Bypass

Title source: llm

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.

References (2)

[Patch] http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50426

[Vendor Advisory] https://moodle.org/mod/forum/discuss.php?d=323228

Scores

CVSS v3 4.3

EPSS 0.0018

EPSS Percentile 39.3%

Attack Vector NETWORK

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

Classification

CWE

CWE-254

Status draft

Affected Products (4)

moodle/moodle

moodle/moodle < 2.9.3Packagist

Timeline

Published Feb 22, 2016

Tracked Since Feb 18, 2026