VDB-61353 · CVE-2011-4590 · OpenVAS 863984

Moodle up to 2.1.2 Access Restriction improper authentication

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.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Moodle up to 2.1.2. It has been classified as problematic. The affected element is an unknown function of the component Access Restriction. Performing a manipulation results in improper authentication. This vulnerability was named CVE-2011-4590. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Moodle up to 2.1.2 (Learning Management Software). This affects an unknown code block of the component Access Restriction. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on integrity. The summary by CVE is:

The web services implementation in Moodle 2.0.x before 2.0.6 and 2.1.x before 2.1.3 does not properly consider the maintenance-mode state and account attributes during login attempts, which allows remote authenticated users to bypass intended access restrictions by connecting to a webservice server.

The weakness was presented 07/20/2012 (Website). The advisory is shared at moodle.org. This vulnerability is uniquely identified as CVE-2011-4590 since 11/29/2011. The exploitability is told to be easy. It is possible to initiate the attack remotely. The requirement for exploitation is a authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.0.1 eliminates this vulnerability.

See VDB-61356, VDB-61355, VDB-61354 and VDB-61351 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Learning Management Software

Name

Moodle

Version

License

open-source

Website

Product: https://moodle.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 863984
OpenVAS Name: Fedora Update for moodle FEDORA-2011-16833
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 2.0.1

Timelineinfo

11/29/2011 🔍
07/20/2012 +234 days 🔍
07/20/2012 +0 days 🔍
03/23/2015 +976 days 🔍
02/18/2019 +1428 days 🔍

Sourcesinfo

Product: moodle.org

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

CVE: CVE-2011-4590 (🔍)
GCVE (CVE): GCVE-0-2011-4590
GCVE (VulDB): GCVE-100-61353
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 02/18/2019 15:54
Changes: 03/23/2015 16:50 (52), 02/18/2019 15:54 (2)
Complete: 🔍
Cache ID: 216:7BE:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.