Moodle 2.0/2.0.1/2.0.2 sql injection

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A vulnerability classified as problematic was found in Moodle 2.0/2.0.1/2.0.2 (Learning Management Software). This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect availability. CVE summarizes:

Moodle 2.0.x before 2.0.3 allows remote authenticated users to cause a denial of service (invalid database records) via a series of crafted comments operations.

The weakness was published 07/16/2012 as MDL-26854 Added comments block lib.php, it contains comments callbacks as confirmed git commit (GIT Repository). The advisory is shared for download at This vulnerability was named CVE-2011-4292 since 11/04/2011. The exploitation appears to be easy. The attack can be initiated remotely. The successful exploitation needs a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1505.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at






CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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Class: Sql injection
CWE: CWE-89 / CWE-74 / CWE-707

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Threat Intelligenceinfo

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Recommended: Patch
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0-Day Time: 🔍

Patch: acb4688d29a7cc028803ee3d81edc7f1b6515c64


11/04/2011 🔍
07/16/2012 +255 days 🔍
07/16/2012 +0 days 🔍
03/23/2015 +980 days 🔍
12/06/2021 +2450 days 🔍



Advisory: MDL-26854 Added comments block lib.php, it contains comments callbacks
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-4292 (🔍)


Created: 03/23/2015 04:50 PM
Updated: 12/06/2021 09:43 AM
Changes: 03/23/2015 04:50 PM (49), 02/18/2019 03:01 PM (2), 12/06/2021 09:43 AM (3)
Complete: 🔍
Cache ID: 100:F52:40


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