Moodle up to 2.2.3 information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Moodle up to 2.2.3 (Learning Management Software). It has been classified as problematic. This affects an unknown code block. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

auth/ldap/ntlmsso_attempt.php in Moodle 2.0.x before 2.0.10, 2.1.x before 2.1.7, 2.2.x before 2.2.4, and 2.3.x before 2.3.1 redirects users from an https LDAP login URL to an http URL, which allows remote attackers to obtain sensitive information by sniffing the network.

The weakness was published 07/23/2012 by Daniel Compton as confirmed git commit (GIT Repository). It is possible to read the advisory at This vulnerability is uniquely identified as CVE-2012-3394 since 06/14/2012. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 61385 (Fedora 16 : moodle-2.0.10-1.fc16 (2012-11028)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

Upgrading to version 2.2.3 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at The best possible mitigation is suggested to be patching the affected component.

The vulnerability is also documented in the databases at X-Force (76960) and Tenable (61385). Similar entries are available at 61399, 61398, 61397 and 61396.






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍


VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍


Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 61385
Nessus Name: Fedora 16 : moodle-2.0.10-1.fc16 (2012-11028)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 864582
OpenVAS Name: Fedora Update for moodle FEDORA-2012-11028
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 2.2.3
Patch: 9d8d2ee6192e8b7ebb6713bd6215e06f94e2a9f7


06/14/2012 🔍
07/17/2012 +33 days 🔍
07/17/2012 +0 days 🔍
07/23/2012 +6 days 🔍
07/23/2012 +0 days 🔍
07/30/2013 +372 days 🔍
03/23/2015 +601 days 🔍
12/06/2021 +2450 days 🔍



Researcher: Daniel Compton
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-3394 (🔍)
X-Force: 76960
Vulnerability Center: 40763 - Moodle Remote Leakage of Information due to a Redirect from HTTPS to HTTP (CVE-2012-3394), Medium
SecurityFocus: 54481 - Moodle Multiple Security Vulnerabilities
Secunia: 49890

See also: 🔍


Created: 03/23/2015 04:50 PM
Updated: 12/06/2021 10:26 PM
Changes: 03/23/2015 04:50 PM (66), 05/07/2017 11:25 AM (5), 12/06/2021 10:13 PM (4), 12/06/2021 10:26 PM (1)
Complete: 🔍


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