Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2014-7831

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.

Security Impact Summary

CVE-2014-7831 is a security vulnerability that . Impacting 1 product from moodle organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2014-11-24T11:59:01.520

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	moodle	moodle	≤ 2.4.11	Yes
Application	moodle	moodle	2.5.0	Yes
Application	moodle	moodle	2.5.1	Yes
Application	moodle	moodle	2.5.2	Yes
Application	moodle	moodle	2.5.3	Yes
Application	moodle	moodle	2.5.4	Yes
Application	moodle	moodle	2.5.5	Yes
Application	moodle	moodle	2.5.6	Yes
Application	moodle	moodle	2.5.7	Yes
Application	moodle	moodle	2.5.8	Yes
Application	moodle	moodle	2.6.0	Yes
Application	moodle	moodle	2.6.1	Yes
Application	moodle	moodle	2.6.2	Yes
Application	moodle	moodle	2.6.3	Yes
Application	moodle	moodle	2.6.4	Yes
Application	moodle	moodle	2.6.5	Yes
Application	moodle	moodle	2.7.0	Yes
Application	moodle	moodle	2.7.1	Yes
Application	moodle	moodle	2.7.2	Yes

References

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47766 ([email protected])
http://openwall.com/lists/oss-security/2014/11/17/11 ([email protected])
http://www.securitytracker.com/id/1031215 ([email protected])
https://moodle.org/mod/forum/discuss.php?d=275153 Vendor Advisory ([email protected])
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47766 (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2014/11/17/11 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1031215 (af854a3a-2127-422b-91ae-364da2661108)
https://moodle.org/mod/forum/discuss.php?d=275153 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For moodle's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.