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githubGitHub Advisory DatabaseGHSA-RJH8-W8JG-XWQ5
HistoryMay 17, 2022 - 12:18 a.m.

Moodle Exposure of Sensitive Information to an Unauthorized Actor

2022-05-1700:18:11
CWE-200
GitHub Advisory Database
github.com
5
moodle
sensitive information
unauthorized actor
participants
email addresses

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

AI Score

6.6

Confidence

Low

EPSS

0.001

Percentile

21.6%

In Moodle 3.x, students can find out email addresses of other students in the same course. Using search on the Participants page, students could search email addresses of all participants regardless of email visibility. This allows enumerating and guessing emails of other students.

Affected configurations

Vulners
Node
moodlemoodleRange3.33.3.3
OR
moodlemoodleRange3.23.2.6
OR
moodlemoodleRange3.13.1.9
VendorProductVersionCPE
moodlemoodle*cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

AI Score

6.6

Confidence

Low

EPSS

0.001

Percentile

21.6%