Moodle up to 2.7.2 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 (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability, which was classified as problematic, was found in Moodle (Learning Management Software). Affected is 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. CVE summarizes:

mod/data/edit.php in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 sets a certain group ID to zero upon a database-entry change, which allows remote authenticated users to obtain sensitive information by accessing the database after an edit by a teacher.

The weakness was released 11/24/2014 (Website). The advisory is available at This vulnerability is traded as CVE-2014-7833 since 10/03/2014. The exploitability is told to be easy. It is possible to launch the attack remotely. The requirement for exploitation is a authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/04/2022). This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 79565 (Fedora 20 : moodle-2.5.9-1.fc20 (2014-15102)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13071 (Moodle Multiple Security Vulnerabilities(MSA-14-0036 - MSA-14-0048)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (98716), Vulnerability Center (SBV-47451) and Tenable (79565). Entries connected to this vulnerability are available at 72975, 72974, 72973 and 72972.





  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base 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: 79565
Nessus Name: Fedora 20 : moodle-2.5.9-1.fc20 (2014-15102)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


10/03/2014 🔍
11/17/2014 +45 days 🔍
11/17/2014 +0 days 🔍
11/24/2014 +7 days 🔍
11/24/2014 +0 days 🔍
12/08/2014 +14 days 🔍
03/27/2015 +109 days 🔍
04/04/2022 +2565 days 🔍



Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-7833 (🔍)
X-Force: 98716
SecurityTracker: 1031215
Vulnerability Center: 47451 - Moodle 2.7.x before 2.7.3 Remote Information Disclosure due to a Flaw in mod/data/edit.php - CVE-2014-7833, Medium
SecurityFocus: 71120 - Moodle CVE-2014-7833 Information Disclosure Vulnerability

See also: 🔍


Created: 03/27/2015 02:56 PM
Updated: 04/04/2022 12:45 PM
Changes: 03/27/2015 02:56 PM (59), 06/13/2017 09:19 AM (4), 04/04/2022 12:37 PM (3), 04/04/2022 12:45 PM (2)
Complete: 🔍


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