CVE-2014-7831

Severity Score

4.3

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

lib/classes/grades_external.php in Moodle 2.7.x before 2.7.3 does not consider the moodle/grade:viewhidden capability before displaying hidden grades, which allows remote authenticated users to obtain sensitive information by leveraging the student role to access the get_grades web service.

lib/classes/grades_external.php en Moodle 2.7.x anterior a 2.7.3 no considera la funcionalidad moodle/grade:viewhidden antes de mostrar notas escondidas, lo que permite a usuarios remotos autenticados obtener información sensible mediante el aprovechamiento de la lista de estudiantes para acceder al servicio web get_grades.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2014-10-03 CVE Reserved
2014-11-24 CVE Published
2024-08-06 CVE Updated
2025-04-05 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (4)

URL	Tag	Source
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47766	X_refsource_confirm
http://openwall.com/lists/oss-security/2014/11/17/11	Mailing List
http://www.securitytracker.com/id/1031215	Vdb Entry

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://moodle.org/mod/forum/discuss.php?d=275153	2020-12-01

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				<= 2.4.11 Search vendor "Moodle" for product "Moodle" and version " <= 2.4.11"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.5.0 Search vendor "Moodle" for product "Moodle" and version "2.5.0"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.5.1 Search vendor "Moodle" for product "Moodle" and version "2.5.1"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.5.2 Search vendor "Moodle" for product "Moodle" and version "2.5.2"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.5.3 Search vendor "Moodle" for product "Moodle" and version "2.5.3"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.5.4 Search vendor "Moodle" for product "Moodle" and version "2.5.4"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.5.5 Search vendor "Moodle" for product "Moodle" and version "2.5.5"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.5.6 Search vendor "Moodle" for product "Moodle" and version "2.5.6"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.5.7 Search vendor "Moodle" for product "Moodle" and version "2.5.7"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.5.8 Search vendor "Moodle" for product "Moodle" and version "2.5.8"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.6.0 Search vendor "Moodle" for product "Moodle" and version "2.6.0"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.6.1 Search vendor "Moodle" for product "Moodle" and version "2.6.1"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.6.2 Search vendor "Moodle" for product "Moodle" and version "2.6.2"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.6.3 Search vendor "Moodle" for product "Moodle" and version "2.6.3"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.6.4 Search vendor "Moodle" for product "Moodle" and version "2.6.4"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.6.5 Search vendor "Moodle" for product "Moodle" and version "2.6.5"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.7.0 Search vendor "Moodle" for product "Moodle" and version "2.7.0"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.7.1 Search vendor "Moodle" for product "Moodle" and version "2.7.1"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.7.2 Search vendor "Moodle" for product "Moodle" and version "2.7.2"		-		Affected