CVE-2012-3391

Name: CVE-2012-3391
Creator: NVD / NIST
Published: 2012-07-23T21:55:04.717+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.14%

Last modified Jun 16, 2026

CVE-2012-3391 is a vulnerability of currently unknown severity. mod/forum/rsslib.php in Moodle 2.1.x before 2.1.7 and 2.2.x before 2.2.4 does not properly implement the requirement for posting before reading a Q&A forum, which allows remote authenticated users to bypass intended access restrictions by leveraging the student role and reading the RSS feed for a forum.. EPSS estimates a 1.14% chance of exploitation in the next 30 days.

Description

mod/forum/rsslib.php in Moodle 2.1.x before 2.1.7 and 2.2.x before 2.2.4 does not properly implement the requirement for posting before reading a Q&A forum, which allows remote authenticated users to bypass intended access restrictions by leveraging the student role and reading the RSS feed for a forum.

Metrics

EPSS Probability

1.14%

62.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Moodle	Moodle	2.1.0
Moodle	Moodle	2.1.1
Moodle	Moodle	2.1.2
Moodle	Moodle	2.1.3
Moodle	Moodle	2.1.4
Moodle	Moodle	2.1.5
Moodle	Moodle	2.1.6
Moodle	Moodle	2.2.0
Moodle	Moodle	2.2.1
Moodle	Moodle	2.2.2
Moodle	Moodle	2.2.3

References

Timeline

Published: Jul 23, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-3391?

How severe is CVE-2012-3391?

Severity scoring for CVE-2012-3391 is pending analysis. The EPSS model estimates a 1.14% probability of exploitation in the next 30 days.

How do I fix CVE-2012-3391?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-3391?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST