CVE-2012-3388 — The is_enrolled function in lib/accesslib.php in Moodle 2.2.x before 2.2.4 and 2.3.x before 2.3.1 does not properly interact with the caching feature, which might allow remote authenticated users to bypass an intended capability check via unspecified vectors that trigger caching of a user record

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MEDIUM

The is_enrolled function in lib/accesslib.php in Moodle 2.2.x before 2.2.4 and 2.3.x before 2.3.1 does not properly interact with the caching feature, which might allow remote authenticated users to bypass an intended capability check via unspecified vectors that trigger caching of a user record

Published Jul 23, 2012

4.0

MEDIUM

CVSS 2.0

EPSS 1.13%

Description

The is_enrolled function in lib/accesslib.php in Moodle 2.2.x before 2.2.4 and 2.3.x before 2.3.1 does not properly interact with the caching feature, which might allow remote authenticated users to bypass an intended capability check via unspecified vectors that trigger caching of a user record.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.13% 0.01128

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

EPSS probability 0.01128

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 (11 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	1.13% (0.01128)	65.15th	v5 (v2026.06.15)
Jun 15, 2026	1.13% (0.01128)	62.03th	v5 (v2026.06.15)
Mar 17, 2025	0.27% (0.00269)	48.31th	v4 (v2025.03.14)
Dec 12, 2024	0.37% (0.00370)	73.45th	v3 (v2023.03.01)
Feb 8, 2024	0.37% (0.00370)	71.81th	v3 (v2023.03.01)
Jun 13, 2023	0.37% (0.00370)	68.66th	v3 (v2023.03.01)
Mar 7, 2023	0.27% (0.00267)	62.48th	v3 (v2023.03.01)
Mar 6, 2023	1.13% (0.01132)	56.11th	v2 (v2022.01.01)
Sep 22, 2022	1.13% (0.01132)	54.59th	v2 (v2022.01.01)
Apr 1, 2022	1.13% (0.01132)	52.58th	v2 (v2022.01.01)
Feb 4, 2022	1.13% (0.01132)	30.65th	v2 (v2022.01.01)

Weaknesses (1)

CWE-264

References (5)

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-33916
x_refsource_CONFIRM
http://openwall.com/lists/oss-security/2012/07/17/1
mailing-listx_refsource_MLIST
http://secunia.com/advisories/49890
third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/bid/54481
vdb-entryx_refsource_BID
https://exchange.xforce.ibmcloud.com/vulnerabilities/76955
vdb-entryx_refsource_XF

Link	Providers	Tags
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-33916		x_refsource_CONFIRM
http://openwall.com/lists/oss-security/2012/07/17/1		mailing-listx_refsource_MLIST
http://secunia.com/advisories/49890		third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/bid/54481		vdb-entryx_refsource_BID
https://exchange.xforce.ibmcloud.com/vulnerabilities/76955		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner redhat

Published Jul 23, 2012

Updated Aug 6, 2024

Reserved Jun 14, 2012

Link CVE-2012-3388

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2012-3388

Red Hat

Severity n/a

Public date n/a

Links CVE-2012-3388