CVE-2016-2155: Medium severity moodle vulnerability

Published May 22, 2016
·
Updated

The grade-reporting feature in Singleview (aka Single View) in Moodle 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 does not consider the moodle/grade:manage capability, which allows remote authenticated users to modify "Exclude grade" settings by leveraging the Non-Editing Instructor role.

Affected Software

22 affected componentsFixes available
composer/moodle/moodle>=3.0.0<3.0.3
3.0.3
composer/moodle/moodle>=2.9.0<2.9.5
2.9.5
composer/moodle/moodle>=2.8.0<2.8.11
2.8.11
Moodle moodle=2.8.0
Moodle moodle=2.8.1
Moodle moodle=2.8.2
Moodle moodle=2.8.3
Moodle moodle=2.8.4
Moodle moodle=2.8.5
Moodle moodle=2.8.6
Moodle moodle=2.8.7
Moodle moodle=2.8.8
Moodle moodle=2.8.9
Moodle moodle=2.8.10
Moodle moodle=2.9.0
Moodle moodle=2.9.1
Moodle moodle=2.9.2
Moodle moodle=2.9.3
Moodle moodle=2.9.4
Moodle moodle=3.0.0
Moodle moodle=3.0.1
Moodle moodle=3.0.2

Event History

May 22, 2016
CVE Published
via MITRE·08:00 PM
Data Sourced
via MITRE·08:00 PM
Description
May 13, 2022
Advisory Published
via GitHub·01:12 AM

Frequently Asked Questions

1

What is the severity of CVE-2016-2155?

CVE-2016-2155 is considered a medium-severity vulnerability due to its potential for unauthorized changes to grade settings.

2

How do I fix CVE-2016-2155?

To fix CVE-2016-2155, upgrade Moodle to version 2.8.11, 2.9.5, or 3.0.3 or higher.

3

What versions of Moodle are affected by CVE-2016-2155?

CVE-2016-2155 affects Moodle versions 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3.

4

What type of attack does CVE-2016-2155 enable?

CVE-2016-2155 allows remote authenticated users to potentially modify 'Exclude grade' settings without proper permissions.

5

Are there any workarounds for CVE-2016-2155?

While upgrading is the recommended solution for CVE-2016-2155, restricting user capabilities may mitigate some risks temporarily.

Contact

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