CVE-2011-4303

Name: CVE-2011-4303
Creator: NVD / NIST
Published: 2012-07-11T10:26:10.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.25%

Last modified Jun 16, 2026

CVE-2011-4303 is a vulnerability of currently unknown severity. lib/db/upgrade.php in Moodle 2.0.x before 2.0.5 and 2.1.x before 2.1.2 does not set the correct registration_hubs.secret value during installation, which allows remote attackers to bypass intended access restrictions by leveraging the hubs feature.. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

lib/db/upgrade.php in Moodle 2.0.x before 2.0.5 and 2.1.x before 2.1.2 does not set the correct registration_hubs.secret value during installation, which allows remote attackers to bypass intended access restrictions by leveraging the hubs feature.

Metrics

EPSS Probability

1.25%

65.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-310

Affected Software

Vendor	Product	Versions
Moodle	Moodle	2.0.0
Moodle	Moodle	2.0.1
Moodle	Moodle	2.0.2
Moodle	Moodle	2.0.3
Moodle	Moodle	2.0.4
Moodle	Moodle	2.1.0
Moodle	Moodle	2.1.1

References

Timeline

Published: Jul 11, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-4303?

How severe is CVE-2011-4303?

Severity scoring for CVE-2011-4303 is pending analysis. The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.

How do I fix CVE-2011-4303?

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-2011-4303?

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

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Source: NVD / NIST