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githubGitHub Advisory DatabaseGHSA-R3FC-HX6Q-G6CQ
HistoryMay 13, 2022 - 1:12 a.m.

Moodle allows attackers to discover student e-mail addresses

2022-05-1301:12:38
CWE-200
GitHub Advisory Database
github.com
6
moodle
vulnerability
student e-mail addresses
authorization
participants list

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

6.3

Confidence

Low

EPSS

0.002

Percentile

51.6%

user/index.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 grants excessive authorization on the basis of the moodle/course:viewhiddenuserfields capability, which allows remote authenticated users to discover student e-mail addresses by leveraging the teacher role and reading a Participants list.

Affected configurations

Vulners
Node
moodlemoodleRange<3.0.3
OR
moodlemoodleRange<2.9.5
OR
moodlemoodleRange<2.8.11
OR
moodlemoodleRange<2.7.13
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

6.3

Confidence

Low

EPSS

0.002

Percentile

51.6%