CVE-2011-4303 — 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

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MEDIUM

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

Published Jul 11, 2012

4.3

MEDIUM

CVSS 2.0

EPSS 1.25%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.25% 0.01248

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01248

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.25% (0.01248)	68.27th	v5 (v2026.06.15)
Jun 15, 2026	1.25% (0.01248)	65.37th	v5 (v2026.06.15)
Mar 17, 2025	0.45% (0.00446)	61.36th	v4 (v2025.03.14)
Dec 12, 2024	0.22% (0.00223)	61.46th	v3 (v2023.03.01)
Jun 13, 2024	0.22% (0.00223)	60.71th	v3 (v2023.03.01)
Mar 7, 2023	0.22% (0.00223)	58.70th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (1)

CWE-310

References (3)

http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=ca896fdfcfcc87846fa91a297d0aa6999a68c48a
x_refsource_CONFIRM
http://moodle.org/mod/forum/discuss.php?d=188315
x_refsource_CONFIRMPatchVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=747444
x_refsource_CONFIRMPatch

Link	Providers	Tags
http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=ca896fdfcfcc87846fa91a297d0aa6999a68c48a		x_refsource_CONFIRM
http://moodle.org/mod/forum/discuss.php?d=188315		x_refsource_CONFIRMPatchVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=747444		x_refsource_CONFIRMPatch

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner redhat

Published Jul 11, 2012

Updated Aug 7, 2024

Reserved Nov 4, 2011

Link CVE-2011-4303

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2011-4303

Red Hat

Severity n/a

Public date n/a

Links CVE-2011-4303