VDB-81048 · CVE-2015-5266 · Qualys 11530

Moodle up to 2.6.11/2.7.9/2.8.7/2.9.1 Sync Script enrol/meta/locallib.php enrol_meta_sync access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, was found in Moodle up to 2.6.11/2.7.9/2.8.7/2.9.1 (Learning Management Software). Affected is the function enrol_meta_sync in the library enrol/meta/locallib.php of the component Sync Script Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The enrol_meta_sync function in enrol/meta/locallib.php in Moodle through 2.6.11, 2.7.x before 2.7.10, 2.8.x before 2.8.8, and 2.9.x before 2.9.2 allows remote authenticated users to obtain manager privileges in opportunistic circumstances by leveraging incorrect role processing during a long-running sync script.

The weakness was presented 02/22/2016 (Website). The advisory is shared for download at moodle.org. This vulnerability is traded as CVE-2015-5266 since 07/01/2015. The attack needs to be approached locally. A authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

By approaching the search of inurl:enrol/meta/locallib.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 85995 (FreeBSD : moodle -- multiple vulnerabilities (c2fcbec2-5daa-11e5-9909-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11530 (Moodle Multiple Security Vulnerabilities (MSA-15-0036, MSA-15-0035, MSA-15-0034, MSA-15-0033, MSA-15-0032, MSA-15-0030)).

Upgrading to version 2.7.8, 2.8.8 or 2.9.2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (85995).






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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VulDB Reliability: 🔍

NVD Base Score: 6.8
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Class: Access control
CWE: CWE-264

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
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Current Price Estimation: 🔍


Nessus ID: 85995
Nessus Name: FreeBSD : moodle -- multiple vulnerabilities (c2fcbec2-5daa-11e5-9909-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 867773
OpenVAS Name: Fedora Update for moodle FEDORA-2015-2
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 2.7.8/2.8.8/2.9.2


07/01/2015 🔍
09/18/2015 +79 days 🔍
09/18/2015 +0 days 🔍
02/22/2016 +157 days 🔍
02/22/2016 +0 days 🔍
02/23/2016 +1 days 🔍
07/08/2022 +2327 days 🔍


Product: moodle.org

Advisory: moodle.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5266 (🔍)
SecurityTracker: 1033619


Created: 02/23/2016 09:40 AM
Updated: 07/08/2022 10:02 AM
Changes: 02/23/2016 09:40 AM (60), 08/07/2018 09:36 AM (15), 07/08/2022 10:02 AM (3)
Complete: 🔍
Cache ID: 3:5C9:40


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