CVE-2011-4593

critical

Description

Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 does not properly handle user/action_redir group messages, which allows remote authenticated users to discover e-mail addresses by visiting the messaging interface.

References

https://bugzilla.redhat.com/show_bug.cgi?id=761248

http://moodle.org/mod/forum/discuss.php?d=191762

http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=e94113a859015a4a80b9397957b8fc4044e2951f

Details

Source: Mitre, NVD

Published: 2012-07-20

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.00199