CVE-2011-4283

Moodle allows remote attackers to obtain sensitive information

5.0 MediumFix available

Moodle 1.9.x before 1.9.11 and 2.0.x before 2.0.2 places an IMS enterprise enrolment file in the course-files area, which allows remote attackers to obtain sensitive information via a request for imsenterprise-enrol.xml.

Exploit likelihood

2.12%Up 1.0 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Record: CVE-2011-4283
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-4283
Updated: 2026-11-02

EUVDEUVD-2011-4223 No score

Record: EUVD-2011-4223
Updated: 2026-11-03

GitHub AdvisoriesGHSA-m3xp-4hf3-qfpp 6.6

Moodle allows remote attackers to obtain sensitive information

Record: GHSA-m3xp-4hf3-qfpp
CVSS 4.0: 6.6 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
Weakness: CWE-200
Updated: 2026-11-02

OSVGHSA-m3xp-4hf3-qfpp 6.6

Moodle allows remote attackers to obtain sensitive information

Record: GHSA-m3xp-4hf3-qfpp
CVSS 4.0: 6.6 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
Weakness: CWE-200
Updated: 2026-11-02

Affected products

moodle

Affected packages

Affected packages
Package	Affected	Fixed
`moodle/moodle` Packagist	1.9.0 up to 1.9.11	1.9.11
`moodle/moodle` Packagist	2.0.0 up to 2.0.2	2.0.2
`moodle` Debian:6.0 From an advisory covering 6 CVEs	before 1.9.9.dfsg2-2.1+squeeze1, plus listed versions 1.9.9.dfsg2-2.1	1.9.9.dfsg2-2.1+squeeze1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-4283 is a medium vulnerability (CVSS 5.0) in Moodle, published June 16, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.12%, the 81st percentile. Fixed in moodle/moodle 1.9.11.