CVE-2012-2353: Moodle Exposes Sensitive User Information

moodle/moodle Updated 02 Oct 2025

Summary

13/05/2022
Yes i
Moderate
Not published

CVE-2012-2353: Moodle Exposes Sensitive User Information. Affects moodle/moodle across 2 version ranges.

>= 2.1, < 2.1.6 >= 2.2, < 2.2.3

Fixed in 2.1.6 or 2.2.3, depending on the release line you run. How to fix ↓

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Background

Moodle is an open-source learning management system (LMS) used by educational institutions to create and manage online courses. It provides a platform for teachers to interact with students, manage course materials, and track student progress. Moodle is widely adopted and offers various features to enhance the learning experience.

Vulnerability Detail

Moodle versions 2.1.x before 2.1.6 and 2.2.x before 2.2.3 suffer from a vulnerability that allows remote authenticated users with the teacher role to access sensitive user information. By navigating to the 'Enrolled users' section under the Users Settings, these users can obtain sensitive data from hidden fields. This vulnerability poses a risk to user privacy and confidentiality, as it allows unauthorized access to personal information.

How To Fix

Fixed versions by release line

The minimum fixed version depends on the release line you run.

  • >= 2.1, < 2.1.6 2.1.6
    composer require moodle/moodle:2.1.6
  • >= 2.2, < 2.2.3 2.2.3
    composer require moodle/moodle:2.2.3

Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →

Workaround

There is no known workaround for this vulnerability. It is essential to apply the recommended fix by upgrading to the patched versions of Moodle.

Conclusion

The vulnerability in Moodle versions 2.1.x and 2.2.x allows remote authenticated users to access sensitive user information. It is crucial for administrators to upgrade to the patched versions to mitigate the risk of unauthorized access to personal data. For further assistance and support in vulnerability remediation, please contact DevNack.com.

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FAQ

Moodle is an open-source learning management system used by educational institutions to create and manage online courses.

This vulnerability allows remote authenticated users with the teacher role to access sensitive user information, compromising user privacy and confidentiality.

To fix this vulnerability, upgrade Moodle to version 2.1.6 or later for Moodle 2.1.x installations, and version 2.2.3 or later for Moodle 2.2.x installations.

No, there is no known workaround for this vulnerability. Upgrading to the patched versions is the recommended solution.

You can find more information about this vulnerability in the official Moodle documentation or by referring to the provided sources.

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How To Fix

Fixed versions by release line

The minimum fixed version depends on the release line you run.

  • >= 2.1, < 2.1.6 2.1.6
    composer require moodle/moodle:2.1.6
  • >= 2.2, < 2.2.3 2.2.3
    composer require moodle/moodle:2.2.3

Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →

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