CVE-2014-7831

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-11-24 · updated 2026-06-17
Weakness: CWE-200

Description

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.

Affected products

Moodle: through 2.4.11; 2.5.0, 2.5.1, 2.5.2, 2.5.3, 2.5.4, 2.5.5 (+12)

References

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47766
http://openwall.com/lists/oss-security/2014/11/17/11
http://www.securitytracker.com/id/1031215
https://moodle.org/mod/forum/discuss.php?d=275153
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47766
http://openwall.com/lists/oss-security/2014/11/17/11
http://www.securitytracker.com/id/1031215
https://moodle.org/mod/forum/discuss.php?d=275153

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